9 pg. TDV-NT - Steel louvered face diffuser with induction vanes, narrow tee border styles. They deliver a uniform 360° discharge pattern and exhibit excellent performance in variable air volume. pdf), Text File (. Steel Round Three Cone Diffuser. MCD-AA The extremely popular Titus MCD diffuser is now available in aluminum construction. The SG-TDC is typically used in areas of constant supervision or lobbies or entryways. The high capacity long throws and rugged construction make them an ideal choice for any commercial / industrial application. Aluminum louvered face diffuser. TDCA - Steel louvered face. Ceiling Diffuser Surface Mounting IOM ; Multimedia. All sizes have three cones, giving a uniform appearance where different neck. 884. Text File. FFD. Greenheck offers a variety of functional and aesthetic grilles and registers designed for air distribution and filtering for standard to heavy-duty applications. Titus Dual Duct terminals vary the airflow individually between hot and cold inlets for highly accurate temperature control. 300-RS. The T3SQ modulates the air volume delivered to a zone to accurately control cooling and heating conditions. Lay-In SteelTitus Single Duct terminals are the fundamental building blocks for a VAV system. Steel single deflection supply grille, 3/4" blade spacing, front blades parallel to long dimension. Installs directly to the diffuser neck. 45F. TDC-NT. About. sheet index sheets descriptions m0. The 271 and 272 Commercial Series grilles are designed for commercial applications. <br /> Y<br /> Y<br /> Mounts on Neck<br /> 1 3/4"<br /> Steel louvered face diffuser for narrow tee ceiling. Its strong, clean, unobtrusive lines harmonize with the ceiling system without sacrificing performance. Knowledge Network > Assistance et formation > Revit Products > Revit Products Community > Revit MEP Forum > Titus TDC diffuser, CFM grayed out;Titus office location and mailing address 605 Shiloh Rd Plano TX 75074 (972) 212-4800 (972) 212-4884. Titus perforated ceiling diffusers are designed for both heating and cooling applications. Because it maintains an unbroken<br /> horizontal flow pattern from maximum cfm<br /> down to minimum, it is an excellent choice for<br /> variable air volume applications. Redefine your comfort zone. Manufacturer's Detail Page - TITUS. TDC-6 Beveled Drop Face Submittal. Available in eight different core styles plus a wide selection of frames and borders. These diffusers deliver supply air in 360º pattern and are designed to protect ceilings from smudging. 32 Not Available. tru registers & grilles. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. Steel Louvered Face Diffuser. *AA-Aluminum 12x12 06, 08 24x24 06, 08, 10, 12, 14, 15 *AA-Aluminum 24x24 06, 08, 10, 12 PAGE 3 TBDI-80 Slot Diffuser. MPN. ASHRAE recommends that, for comfort, the temperature in the occupied zone be between 73 degrees and 77 degrees F, relative humidity be between 25 - 60%, and the maximum velocity in occupied zone be. Steel double deflection supply grille, 3/4" blade spacing, front blades parallel to short dimension. opposed blade volume damper. Chilled Beams. Carnes E. All sizes have three cones, giving a uniform appearance where different sizes are used in the same area. TDC. Titus Series TDC & TDCA diffusers handle an unusually large amount of air for a given pressure drop and noise level. 00. 350zfs The TDCA-FR is a louvered face diffuser that harmonizes with different types of architectural ceilings. Long throw, high capacity split vane supply grille. Specially designed Titus vanes give maximum control of air flow with minimum noise and turbulence due to sizing and vane spacing. The Titus EG-S and EG-L are duct mounted equalizing grids used in square and rectangular duct applications. 5. 1 mechanical plan hvac new layouts-2 2 9"x9" 14x14 4w supply 250 surface aluminum metal-aire / titus 5000-1 / tdc-aa frn sqr to rnd adapter s-3 2 see plans 24x24 4w supply 700 lay-in aluminum metal-aire / titus 5000-1/tdc-aa plastic modular core s-4 6 22"x22" 24x24 4w supply 600 lay-in modular plastic coreLaminar flow diffuser, steel. Steel Plaque Face Diffuser used in Architectural Ceilings. Enter your email id to sign up for our Newsletters & Flyers. surface or duct mounted diffuser. PAR-AA. Performance - 50F / 50R Metric Performance Data. Looking for TITUS, Fits Titus Brand, Diffuser, Ceiling, 8" x 24" x 24"? Find it at Grainger. View Buying Options. Price Metal*Aire Carnes Anemostat 1300 N/A 1400 SCD-4C 5800…TDCA. TDCA-AA - Aluminum louvered face diffuser, adjustable. Titus has redefined what it means to be energy efficient, with a collection of smart technology products that optimize the use of. Their pleasing appearance harmonizes with various architectural details, especially in modular ceiling systems. Specially designed Titus vanes give maximum control of air flow with minimum noise and turbulence due to sizing and vane spacing. Titus CT linear bar diffusers are designed for both heating and cooling applications, supply as well as return. 350fl a270 omni-aa a2000pd 350fl a1210rg par 1444rg 350flf1 a290 pas 1420ab 350flf1 a4021fg pcs 1400cb 350fs a270 pxp 1920rg 350fsf1 a290 s300f sd2a 350rl 270 s301f sd1a 350rl 1210rg tdc 5400sd 350rlf1 290 tdc-aa a5400sd 350rlf1 4021fg tdc-aa a540 series 350rs 270 tmr 880 350rsf1 290 tms 2003cd The TMS-AA is a square ceiling diffuser that delivers supply air in a true 360º pattern with low pressure drop. Titus Spot diffusers are used in applications where large air volume and longer air throw are required. 24x24 module only. With high quality and competitive pricing these grilles form the back bone of a standard offering that will meet any application requirements. TDV-AA-NT - Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. 00. Aluminum flush face perforated neck-mounted curved blade deflectors. Minimum Security Steel Lattice Face Only. Steel, round diffuser with two discharge patterns. com®. purchasing division . S1 R1S R1L S2 R2S R2L S3 R3S R3L S4 SC R4 "S" prefix = Square Shape "R" prefix = Rectangular Shape Air Patterns T-Bar Module = 24 x 24 Overall Diffuser = T-Bar Spacing - 1This week's Titus Timeout discusses how to install a surface mount diffuser into a hard ceiling. Border. 4FL. CSR / CSR-P Description ; CSR / CSR-P Dimensions ; Diffusers Catalog Section ;. Steel louvered face diffuser, Titus Series TDC & TDCA diffusers handle an unusually large amount of air for a given pressure drop and noise level. Finish:Titus white epoxy powder paint. Install these at all four corners. provide titus "pf" plaster frame accessory where installed in hard ceiling. It handles a significant amount of air and. Enter your email id to sign up for our Newsletters & Flyers. TDC-AA-NT. Knowledge Network > Assistance et formation > Revit Products > Revit Products Community > Revit MEP Forum > Titus TDC diffuser, CFM grayed out;Titus office location and mailing address 605 Shiloh Rd Plano TX 75074 (972) 212-4800 (972) 212-4884. Motor, 1/4 HP, 120V, CCW: Fits Titus Brand. 6 pg. Rectangular, stamped, multi-core diffuser with 24 inch x 24 inch extended panel module with round neck, fixed discharge, Model TDC-AA manufactured by Titus. TDCA-AA - Aluminum louvered face diffuser, adjustable. This grille complies with the National Institute of Corrections Guidelines for Suicide Prevention and California Title 24. Description. They are also used in most operating rooms as the center diffuser. Lay-In n n n n n. 16 pg. TDC-AA-NT. Titus University. Titus Return Grilles. These ceiling mounted diffusers maintain a uniform, horizontal discharge pattern over widely varying flow rates. They maintain an unbroken horizontal flow pattern from maximum cfm down to minimum and are an excellent choice for variable air volume application. Application Guides. Steel heavy-duty filter grille with 0° deflection horizontal blades. Steel double deflection supply grille, 3/4" blade spacing, front blades parallel to long dimension. 3/16” diameter screw holes provided in face plate. 10 35 1,2,3,5,6. tile lay in diffuser. SG-TDC. Aluminum louvered face diffuser. TDC / TDCA Performance Data ; Revit. They maintain an unbroken horizontal flow pattern from maximum cfm down to minimum and are an excellent choice for variable air volume application. Specification. Aluminum Maximum Security Grille with Rounded Perforations. Gang operated opposed blades meter air volume precisely with minimal air disturbance. It also offers an aesthetic alternative to conventional air distributing providing a contemporary look for sports complexes, atriums. Steel louvered face diffuser for narrow tee ceiling. This is a versatile diffuser for demanding spot cooling and heating applications, such as industrial or large open areas. Can anyone tell me. ML Border 2A (Concealed Fastening) Installation and Operation. Titus’ 300/350 Series return grilles define the standard for the industry. ) 400 500 600 700 800 900 1000 1200 1400 1600i of pies. TDC / TDCA Performance Data ; TDC Flow Factors ; TDC Metric. The uniform, nearly horizontal jet from the outer cone maintains effective room air distribution even when the air volume varies over a considerable range. LL-1 - Linear louver diffuser, one way pattern, fixed louvers. Finish:Titus white epoxy powder paint. Items Available: 1. CT-540. white finish, aluminum construction. Redefine your comfort zone. c. Titus Exhaust valves are used for handling exhaust of greasy and damp areas like restrooms and kitchens. Titus TDC-AA Louvered Faced Ceiling Diffuser, 24in x 24in, White (Open Box) Titus TDC-AA Louvered Faced Ceiling Diffuser, 24in x 24in, White (Open Box) Regular price $154. Titus square and rectangular louvered diffusers have a flush face that provides an architecturally pleasing appearance when mounted in the ceiling. 5500 for Availability. Model PXP Series perforated panels are designed for return or exhaust applications. TDC Diffusers are supplied in Titus White Epoxy Powder Paint as a standard. comgroupsEngineeringProductEngineeringENsEN11181CADSubmittal_DrawingsSD-2436 Model (1) Author: cpastuh Created DateVAV Diffuser Units Overview. 4. TDC-NT. TDC-AA-NT. Narrow Tee Aluminum. PAS-AA-12X12 Panel Accessories from TITUS 2-Year Warranty - DIFFUSER PERFORATED CEILING 12X12 ALUMINUM. to order or field paint to match ceiling or walls opposed blade lay-in panel, provide frame for ceiling mountingb1 eggcrate return titus 50f-1-26-a 30 x 18 0 - 1375 1, 2, 4 remarks 1. price titus nailor krueger smd tdc 6500 sh amd tdc-aa 6200 6400 5sh amda tdca-aa 6250 5shpc smx tdv none shrv shv amx tdv-aa 6200iv 5shrv louvered face directional price titus nailor krueger hcd none none none ahcd dl dlsv 45dl dmd dpl dlss none none none high capacity drum diffuser price titus nailor krueger pdf pas 4320 6400 6600 apdf pas-aa. TAF-HC Smoke Test. Steel. TDC-AA Spec. Aluminum Aeroblade Double Deflection Supply Grille, 3/4" blade spacing, Front Blades Parallel to Short Dimension. It delivers a uniform 360° discharge pattern and exhibits excellent performance in. Installs directly to the diffuser neck. 12 pg. Titus Timeout - TDC Throw Patterns ; Performance. Author: Sandra Pina Created Date:We would like to show you a description here but the site won’t allow us. Steel Louvered Return Grille, 1/2" Blade Spacing, 35 Degree Deflection, Blades Parallel to Long Dimension. Chilled beam, displacement ventilation and underfloor air distribution systems are also featured in the Titus Catalog. Dimensions. On Air; Smoke Videos;. 13 TMR / TMRA TDV EOS PAS N-1 TRITEC FLOWBAR TBF-AA RADIATEC PAR TBD SERIES TLF pg. TDC / TDCA Description ; TDC / TDCA Dimensions ; Literature. MUSSUN SALES 9 AG-15. Blades slide at right angles to the duct, allowing the damper to work effectively in flexible duct applications. 6. It is made of the Titus TDC diffuser with a heavy gauge steel lattice grille. eBay item number: 404065875772. Titus return perforated ceiling diffusers have the same face and border construction as the supply models, for harmonious appearance in the room. com Modular directional diffuser Product overview Before You start Inspect all cartons and boxes for flaws and shipping damage. Price Titus Krueger Tuttle & Bailey Anemostat Nailor Metalaire Flat Flange SKFA, SKFJ SMD / SMDA (Type 1) TDC-1 SH (Frame 21) M-SB, MA-SB DF 6500-S, 6550-S 5500S-1 TITUS Model TDC-AA is a high capacity<br /> ceiling diffuser. The Titus ESV is unique as it incorporates many design features that increase performance, decrease service and installation costs, and offer increased value, over and above this basic function. PXP Titus Perforated Return Grille (Panel Only) PXP Submittal Information. Perforated return diffuser, aluminum face with steel backpan. Click here for stock sizes. Titus University. TDC-AA. Item # 62YD08; Mfr. TDC-AA. Aluminum Louvered Return Grille, 3/4" Blade Spacing, 35 Degree Deflection, Long Blades. TDC-AA. Ceiling Diffuser Surface Mounting IOM ; Multimedia. • Titus Series TDC diffusers handle an unusually large amount of air for a given pressure drop and noise level. The Titus AG-75 is a duct mounted opposed blade damper used in round duct application. 350zfsMovable vanes, accessible from the face, adjust the vertical discharge pattern from horizontal to vertical. TDC-AA-NT. Breathe easy. Screw Hole Location Screw hole quantities and locations vary by duct size Please consult the factory for screw. Catalog - 50F / 50F-NT / 50R Description. Models TMR and TMR-AA round ceiling diffusers are designed for cooling applications. TMSA. TDC-AA Border Type 1 & 3 350FL Border Type 1 & 3--- 12X12 24X24 06x06, 09x09, 12x12, 15x15. TDCA-AA. Titus minimum security grilles are designed where additional security is still necessary and maximum performance is required. XC-310. TDC 1 TDC 3 TDC 6 • Louvered face • Square neck • Removable core • White finish Throw Patterns Neck SizeS1S2 G2 A3 A4 06 x 06 n n n n n 09 x 09. US-DL-SV - US-DL is a supply/return drum louver with adjustable deflection blades and volume damper. Their pleasing appearance harmonizes with various architectural details, especially in modular ceiling systems. PART NUMBER FACE SIZE NECK SIZE FRAME TYPE METAL TYPE MA57006A062424 24” x 24” 6” dia. 00 Buy Surplus As Low As $60. There is a careful balance between providing information and making the file size so large that it hampers performance of the software. Their pleasing appearance harmonizes with various architectural details, especially in modular ceiling systems. x 12 in. TDV. The TMS is a square ceiling diffuser that delivers supply air in a true 360º pattern with low pressure drop. txt) or read book online for free. Mounts using spring steel S-clips. Find Titus Brothers in Victoria, with phone, website, address, opening hours and contact info. 99 USD Sale. Terminal Units Support. Multimedia - Titus Timeout - 50F vs. US $7. We would like to show you a description here but the site won’t allow us. Aluminum Linear Bar Grille, 1/8" Bars, 1/4" Spacing, 15 Degree Deflection. click here for map. 25RS. At a height of 10 1/2 inches, they are especially useful where building. The MLTR is a return diffuser and plenum, available in 24 and 48 inch nominal lengths and 1 through 4 slots. Titus Model TDV and TDV-AA are high capacity ceiling diffusers with louvered faces and integrated induction vanes for exceptional air mixing. TDCA - Steel louvered face diffuser, adjustable. B938761. Titus University. These diffusers are available in 1-, 2-, examples of the special ceiling grid types being offered today. 1/4"<br />. With high quality and competitive pricing these grilles form the back bone of a standard offering that will meet any application requirements. TI-EX-VA can be used for ventilation as well as supply applications. TI-RD Round Diffuser. The Titus TDX and TDX-AA have louvered faces with integrated induction nozzles for exceptional air mixing. Searching for TITUS products? Grainger's got your back. There is a careful balance between providing information and making the file size so large that it hampers performance of the software. e. The MLTR features the unique “ice tong” deflector. Fan Coils. TDCA. Titus Series PCS ceiling diffusers are designed for longer throws. PAR-NT. Class Schedule; Previous Webinars; Webinar Schedule; Titus Timeout Podcasts; Titus Tech Talk Blog; eLearning; Digital Media. Exhaust Valves are manufactured in Plastic and Steel construction. Models TMRA and TMRA-AA adjustable round ceiling diffusers are designed for both heating and cooling applications. Aluminum louvered face diffuser. Titus grilles are designed by a skilled engineering staff using the latest technology and are tested by the most current industry standards and methods. We would like to show you a description here but the site won’t allow us. Specially designed TITUS vanes give maximum control of air flow with minimum noise and turbulence due to sizing and vane spacing. Alco Aides – Dayton; Crossroads – Dayton; Hope Spot – Xenia; Northside Fellowship Club – Huber Heights; Outcasts Club – DaytonProduct By Plant - Titus Energy Solutions. Titus Timeout - Particle Migration and Control. 5880v 22s ag-35 obd vcs3 350fl s580h 630l 350fl s580hobd 630ld 23rfl/23rfs s80h5ff 530ff 350fs s580v 630s ct-700 5600 atg1 ct-700 5600 atg1 tdc-aa 5sh amd tdca-aa 5shpc amda tdca. 2 Brockton, MA: 781-828-9595 Londonderry, NH: 603-856-7810 TDC - Steel Diffuser Size Air Patterns CFM @ 30 NC TDC Border #3 24x24 Layin Aluminum modular core diffuser. Its strong, clean, unobtrusive lines harmonize with the ceiling system without sacrificing performance. deflection price sdge steel. R-300F. Titus Model MCD-AA modular core diffuser is extremely flexible; it can be adjusted for a 1, 2, 3, or 4-way pattern after it has been installed. The curvature of the OMNI backpan works with the formed edges of the face panel to deliver a uniform 360 degree horizontal air pattern. FEATURES AND BENEFITS. Steel Louvered Face Diffuser Model mount module size NECK size CFM Range location TDC Lay - In 12 x 12 6 x 6 75. TDV - Steel louvered face diffuser with induction vanes. tdc-aa-1 arf dvv ars dm-alum sasm uh-2 alsh-21 5000-2 amd-6 tdc-aa-6 art dp-alum setm uh-6 alsh-23 5000-6 amd-36 tdc-aa-3 asre urc5 csrd csr asrs. Steel louvered face diffuser for narrow tee ceiling. titus. 00 . ECM motor / HEPA Filter. Dimensions. The TDC handles an unusally large amount of air for a given pressure drop and noise level. Face Plate -Steel 12 gauge steel with 13/16” square holes on 1” centers - provides 66% free area. The high capacity long throws and rugged construction make them an ideal choice for any commercial / industrial application. D-100 dampers have gang operated radial blades. en Change Language. TDV - Steel louvered face diffuser with induction vanes. NON-MANDATORY PRE-BID CONFERENCE Fire Station #2 HVAC Electrical Construction ITB. The Titus EG is a duct mounted equalizing grid used in round duct applications. Operating lever is accessible from the face side. $29. Upgrade your space and experience a harmonious blend of style and functionality as the cutting edge Minus Lighting Series combines with the elegance and performance of. TDV-NT - Steel louvered face diffuser with induction vanes, narrow tee border styles. Their primary function is to regulate airflow to a zone, in response to zone temperature requirements. Their pleasing appearance harmonizes with various architectural details, especially in modular ceiling systems. VENT COVER 24IN X 24IN . If anything is discovered to be damaged, contact the shippingTitus - TDC 24x24 Lay-In, Round Neck, CEILING BASED : Fully dynamic family of Titus TDC diffuser. Excludes:Find many great new & used options and get the best deals for TITUS TDCA 12X12 CEILING Diffuser VENT 12" x 12" 6,26,A4 8*MI at the best online prices at eBay! Free shipping for many products!High efficiency filters for use in Titus Critical Environment Diffusers. DETAILS DETAILS « Back 21 records // Next 21 records. 350rlf1 4021fg tdc-aa a540 series 350rs 270 tmr 880 350rsf1 290 tms 2003cd 350rsf2 292 tms-aa a2003cd 50f a970 us300f su2a 50f 1970rg us301f su1a 50f 1940rg . PAS-AA 24"X24" FACE ONLY . With high quality and competitive pricing these grilles form the back bone of a standard offering that will meet any application requirements. TDCA. 8 pg. Titus’ 300/350 Series supply grilles define the standard for the industry. 00 $60. 1 mechanical plan hvac demolition layout m2. TITUS-TMS-AA PRICE- ASCD COMPARABLE TO: TITUS-OMNI PRICE- SPD 2. The. 250 / 250-AA Description ; 250 / 250-AA Dimensions ; 250 / 250-AA Discharge Patterns. Class Schedule; Previous Webinars; Webinar Schedule; Titus Timeout Podcasts; Titus Tech Talk Blog; eLearning; Digital Media. h. Their pleasing appearance harmonizes with various architectural details, especially in modular ceiling systems. Specially designed Titus vanes give maximum control of air flow with minimum noise and turbulence due to sizing and vane spacing. Aluminum, round diffuser with adjustable discharge patterns. The Titus CSR Series is designed to maximize the performance of a combination supply/return diffuser. C Titus Redefine your comfort zone. 2. Properly designed UFAD systems take advantage of thermal stratification. Shipping calculated at checkout. 00 TITUS. Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings. 24x24 module only. View Buying Options. ECM motor / HEPA Filter. Spec Text Files - 50F Spec. make. About. Aluminum louvered face diffuser. 250-AA 24x12 L4 w/Screw Holes. Last updated on Jan 01, 2023 15:53:41 PST View all revisions View all revisions. With over 1. Titus’ 300/350 Series supply grilles define the standard for the industry. Titus brings both accuracy and flexibility to the variable air volume (VAV) market with T3SQ VAV diffusers. They maintain an unbroken horizontal flow pattern from maximum cfm down to minimum and are an excellent choice for variable air volume application. Titus Series TDC diffusers handle an unusually large amount of air for a given pressure drop and noise level. Aluminum louvered face diffuser. cd-e titus tdc-aa 12"x12" ceiling aluminum g. In the eBook app, you will find extra content that you can’t get from a paper book such as web links and video, as well as all of the Titus Timeout podcasts delivered straight to your device. TDC-AA-NT. 1 mechanical plan hvac demolition layout m2. Lay-In n n n n n. Aluminum louvered face diffuser. Aluminum round ceiling diffuser. DL-SV. pleasing, louvered face design. SG-TDC - Steel Minimum Security Diffuser Steel Louvered Core with Lattice Face 350FL - Aluminum Louvered Return Grille, 3/4" Blade Spacing, 35 Degree Deflection, Long Blades 350ZFL - Aluminum Louvered Return Grille, 3/4" Blade Spacing, 0 Degree Deflection, Blades Parallel to Long Dimension Titus University. For Titus Terminal Units, Retrofit, VAV Systems, Controls and other inquiries (972). 00. With over 1. Literature - AYK 580 Air-Modulator Engineering Guide. The SG-PRA is a maximum security grille designed to allow a greater effective free area and superior airflow without compromising security and safety. TDC Smoke Test1 ; TDC Smoke Test2 ; Titus Timeout - TDC Throw Patterns ; Performance. The Titus D-100 is a neck mounted sliding blade damper used in round duct applications. TDC-AA. The curvature of the OMNI-AA backpan works with the formed edges of the face panel to deliver a uniform 360 degree horizontal air. TITUS TDCAA grille 10xRND 12x12 24x24. Aluminum louvered face diffuser. Steel louvered face diffuser for narrow tee ceiling. The MLTI is a supply diffuser and insulated plenum, available in 24 and 48 inch nominal lengths and 1 through 4 slots. Titus models TAF-G, TAF-R, and TAF-R-FR are contructed of a high-impact polymer material that is designed to resist damage from foot traffic. Titus’ 300/350 Series supply grilles define the standard for the industry. 300-RL. Titus Model MCD-AA modular core diffuser is extremely flexible; it can be adjusted for a 1, 2, 3, or 4-way pattern after it has been installed. TDC-NT - Steel louvered face diffuser for narrow tee ceiling. PAS. 23rl. The EG balances the flow of air into the air duct. Naples Fire Station #2, 977 26th Ave - N, Naples FL 34103important message please acknowledge receipt of this addendum on the bid cover sheet. Steel Louvered Face Diffuser. 59 USD Sale price $89. white finish, aluminum construction. T-TDC-12X12 MFG #: TDC/12/12/NONE/1/26/A. Shipping calculated at checkout. RAYMON DONCO| DCDT-L. Face Size Listed Size Neck Velocity (fpm) Velocity Pressure (in. Titus’ 300/350 Series return grilles define the standard for the industry.