Supply Diffusers
![](https://images.ctfassets.net/gz50xeghgvm0/5TfEyVDCo5sZR4EvLGEFAd/cd89f322b4c91d34b0aaa3b228ddbb05/DLPD-2way_C_ISO.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/5TfEyVDCo5sZR4EvLGEFAd/cd89f322b4c91d34b0aaa3b228ddbb05/DLPD-2way_C_ISO.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/6XrtsNp7Ac4ppWOjsFTpE2/7089482782abdabeebc4d87a5767dc2b/DLPD-2way_C_TOP.png?fit=thumb&w=50&w=50)
DLPD 2-way Corner Drum Louver Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Drum Louver.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.
Downloads
Specifications
- Specifications
- Plenum-Diffuser System Spec 15942
Drawings
- DLPD 2-WAY C 3-4 TON 1,200-1,600 CFM
- DLPD 2-WAY C 5-6 TON 2,000-2,400 CFM
- DLPD 2-WAY C 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 2-WAY C 10-12.5 TON 4,000-5,000 CFM
- DLPD 2-WAY C 13-15 TON 5,200-6,000 CFM
- DLPD 2-WAY C 17.5-20 TON 7,000-8,000 CFM
- DLPD 2-WAY C 25 TON 10,000 CFM
- DLPD 2-WAY C 30 TON 12,000 CFM
- DLPD 2-WAY C 40 TON 16,000 CFM
- Drawings
- DLPD 2-WAY C 3-4 TON 1,200-1,600 CFM
- DLPD 2-WAY C 5-6 TON 2,000-2,400 CFM
- DLPD 2-WAY C 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 2-WAY C 10-12.5 TON 4,000-5,000 CFM
- DLPD 2-WAY C 13-15 TON 5,200-6,000 CFM
- DLPD 2-WAY C 17.5-20 TON 7,000-8,000 CFM
- DLPD 2-WAY C 25 TON 10,000 CFM
- DLPD 2-WAY C 30 TON 12,000 CFM
- DLPD 2-WAY C 40 TON 16,000 CFM
![](https://images.ctfassets.net/gz50xeghgvm0/2sGXU8DyYnN8scHKpw1LVQ/f0e998c5497d6ed6861b8e09e0f3548b/DLPD_2-WAY_ISO.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/2sGXU8DyYnN8scHKpw1LVQ/f0e998c5497d6ed6861b8e09e0f3548b/DLPD_2-WAY_ISO.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/FHKYfSdS53rj3RhS0angT/c579a09e445a8dc76270a6f90ee0f4bf/DLPD_2-WAY_TOP.png?fit=thumb&w=50&w=50)
DLPD 2-way Drum Louver Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Drum Louver.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.
Downloads
Specifications
- Specifications
- Plenum-Diffuser System Spec 15942
Drawings
- DLPD 2-WAY 3-4 TON 1,200-1,600 CFM
- DLPD 2-WAY 5-6 TON 2,000-2,400 CFM
- DLPD 2-WAY 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 2-WAY 10-12.5 TON 4,000-5,000 CFM
- DLPD 2-WAY 13-15 TON 5,200-6,000 CFM
- DLPD 2-WAY 17.5-20 TON 7,000-8,000 CFM
- DLPD 2-WAY 25 TON 10,000 CFM
- DLPD 2-WAY 30 TON 12,000 CFM
- DLPD 2-WAY 40 TON 16,000 CFM
- Drawings
- DLPD 2-WAY 3-4 TON 1,200-1,600 CFM
- DLPD 2-WAY 5-6 TON 2,000-2,400 CFM
- DLPD 2-WAY 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 2-WAY 10-12.5 TON 4,000-5,000 CFM
- DLPD 2-WAY 13-15 TON 5,200-6,000 CFM
- DLPD 2-WAY 17.5-20 TON 7,000-8,000 CFM
- DLPD 2-WAY 25 TON 10,000 CFM
- DLPD 2-WAY 30 TON 12,000 CFM
- DLPD 2-WAY 40 TON 16,000 CFM
![](https://images.ctfassets.net/gz50xeghgvm0/6s7DRx9J6BahC2ynkZnSpO/3ffa416d3e76c351f30c82f826a15ad2/DLPD3_ISO.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/6s7DRx9J6BahC2ynkZnSpO/3ffa416d3e76c351f30c82f826a15ad2/DLPD3_ISO.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/74J7plAU8cEsoIYNGHLfVO/685a88ec48c513d9e19df74e091af263/DLPD3_TOP.png?fit=thumb&w=50&w=50)
DLPD 3-way Drum Louver Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Drum Louver.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.
Downloads
Specifications
- Specifications
- Plenum-Diffuser System Spec 15942
Drawings
- DLPD 3-WAY 3-4 TON 1,200-1,600 CFM
- DLPD 3-WAY 5-6 TON 2,000-2,400 CFM
- DLPD 3-WAY 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 3-WAY 10-12.5 TON 4,000-5,000 CFM
- DLPD 3-WAY 13-15 TON 5,200-6,000 CFM
- DLPD 3-WAY 17.5-20 TON 7,000-10,000 CFM
- DLPD 3-WAY 25 TON 10,000 CFM
- DLPD 3-WAY 30 TON 12,000 CFM
- DLPD 3-WAY 40 TON 16,000 CFM
- Drawings
- DLPD 3-WAY 3-4 TON 1,200-1,600 CFM
- DLPD 3-WAY 5-6 TON 2,000-2,400 CFM
- DLPD 3-WAY 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 3-WAY 10-12.5 TON 4,000-5,000 CFM
- DLPD 3-WAY 13-15 TON 5,200-6,000 CFM
- DLPD 3-WAY 17.5-20 TON 7,000-10,000 CFM
- DLPD 3-WAY 25 TON 10,000 CFM
- DLPD 3-WAY 30 TON 12,000 CFM
- DLPD 3-WAY 40 TON 16,000 CFM
![](https://images.ctfassets.net/gz50xeghgvm0/6wt5VKzynia7we1ROSLufC/8e6f30731c1bf36008f25c8501c1420e/DLPD__ISO.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/6wt5VKzynia7we1ROSLufC/8e6f30731c1bf36008f25c8501c1420e/DLPD__ISO.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/3B3APypqjxFnGE3CgbmtMt/68fc246cd6c2e4063e975cae709a278a/DLPD__TOP.png?fit=thumb&w=50&w=50)
DLPD 4-way Drum Louver Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Drum Louver.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.
Downloads
Specifications
- Specifications
- Plenum-Diffuser System Spec 15942
Drawings
- DLPD 4-WAY 3-4 TON 1,200-1,600 CFM
- DLPD 4-WAY 5-6 TON 2,000-2,400 CFM
- DLPD 4-WAY 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 4-WAY 10-12.5 TON 4,000-5,000
- DLPD 4-WAY 13-15 TON 5,200-6,000
- DLPD 4-WAY 20 TON 8,000 CFM
- DLPD 4-WAY 25 TON 10,000 CFM
- DLPD 4-WAY 30 TON 12,000 CFM
- DLPD 4-WAY 40 TON 16,000 CFM
- DLPD 4-WAY 50 TON 20,000 CFM
- DLPD 4-WAY 62.5 TON 25,000 CFM
- Drawings
- DLPD 4-WAY 3-4 TON 1,200-1,600 CFM
- DLPD 4-WAY 5-6 TON 2,000-2,400 CFM
- DLPD 4-WAY 7.5-8.5 TON 3,000-3,400 CFM
- DLPD 4-WAY 10-12.5 TON 4,000-5,000
- DLPD 4-WAY 13-15 TON 5,200-6,000
- DLPD 4-WAY 20 TON 8,000 CFM
- DLPD 4-WAY 25 TON 10,000 CFM
- DLPD 4-WAY 30 TON 12,000 CFM
- DLPD 4-WAY 40 TON 16,000 CFM
- DLPD 4-WAY 50 TON 20,000 CFM
- DLPD 4-WAY 62.5 TON 25,000 CFM
![](https://images.ctfassets.net/gz50xeghgvm0/3hi6HPQ134dSH1ZybsEA1G/58033b3da38459cc5ad363aeff7ee576/DLPD6_ISO.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/3hi6HPQ134dSH1ZybsEA1G/58033b3da38459cc5ad363aeff7ee576/DLPD6_ISO.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/35MVauXU1RHqjDqC4Nvacs/d2fa3ca62466d1023d1ec09b2a8c572a/DLPD6_TOP.png?fit=thumb&w=50&w=50)
DLPD 6-way Drum Louver Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Drum Louver.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.
Downloads
Specifications
- Specifications
- Plenum-Diffuser System Spec 15942
Drawings
Installation Instructions
- Installation Instructions
- Plenum-Diffuser System Spec 15942
![](https://images.ctfassets.net/gz50xeghgvm0/5OLkc2kJPtPohXhYL8zrBU/f57c0fc7722d074982d12319899f669e/LPPD_ISO_TOP.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/5OLkc2kJPtPohXhYL8zrBU/f57c0fc7722d074982d12319899f669e/LPPD_ISO_TOP.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/jH5cMvREvXH8epaKVkyBC/05304932f8684510d326d915e52aeca4/LPPD_ISO_BOTTOM.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/4UII68X2HpUgsNvD6MyFy2/6e3151646e7fea2116c657bae87818b0/LPPD_TOP.png?fit=thumb&w=50&w=50)
LPPD Low Profile Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Deflection Grilles.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.
![](https://images.ctfassets.net/gz50xeghgvm0/7ldat4aPFIj5JHUN4Tkzcu/b7beba872ae9efdc904f3be0e3db624c/SFPD_ISO_TOP.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/7ldat4aPFIj5JHUN4Tkzcu/b7beba872ae9efdc904f3be0e3db624c/SFPD_ISO_TOP.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/5n2fhc62VC2oCyPZSXK5ys/1940b598c411b8ed17bcb54774138869/SFPD_ISO_BOTTOM.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/TgCU7pCE8ROhn7b31OjBJ/f39a76681a2689ffa6f9e3d77e190f2d/SFPD_TOP.png?fit=thumb&w=50&w=50)
SFPD Slant Face Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Deflection Grilles.
Fully Assembled.
TDC Duct Connections Provided.
Engineered Curb and Duct Packages Available.
![](https://images.ctfassets.net/gz50xeghgvm0/68H4d4Es6X5YvSYM0Byc5v/5bf4d63a2fdb607925def3aac1d02da3/LPPD_ISO_TOP.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/68H4d4Es6X5YvSYM0Byc5v/5bf4d63a2fdb607925def3aac1d02da3/LPPD_ISO_TOP.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/4SEf4PS4nqRZYLhqNPUpjx/f82024f190905ed9fcba410e43f1c5c9/LPPD_ISO_BOTTOM.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/6FZ3XsG91fFLeVzY8iMcoD/b6f7bd8488258cd40c12a0bc1407b2f1/LPPD_TOP.png?fit=thumb&w=50&w=50)
VFPD Vertical Face Plenum-Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
Turning Vanes in Each Quadrant.
1" 1-1/2 lb. Duct Liner.
Vertical and Horizontal Adjustable Deflection Grilles.
Fully Assembled.
TDC Duct Connections Provided.
3/8" Threaded Inserts for Mounting.
Engineered Curb and Duct Packages Available.