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Plastic Diffusers, Plastic Vents
Browse through our online catalog for a large selection of plastic HVAC diffusers, ceiling air diffusers for diffusing the air from ceiling air vents, and drop ceiling products. Plastic air diffusers never rust, and are ideal for solving the problem of rusty ceiling air vents in kitchens, dish washing rooms, indoor pools and other high moisture areas.
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Plastic Air Diffuser with metal nuts (#4945-xx)
As low as
$ 62.95
Two foot by two foot Plastic air diffuser with collars from six to fourteen inches. Keep your business looking clean. Ideal for restaurants, hospitals, dishwashing rooms, office buildings and clean environments. Uses four metal nuts for added strength. Fits in a 2'x2' ceiling grid system. Learn More
Plastic Air Diffuser MRI Non Metal (#4986MRI-xx)
As low as
$ 64.95
ITEM # 4986MRI. MRI ROOM Plastic air diffuser with collars from 6-14 inches. Contains no metal. Ideal for hospitals, MRI rooms and clean rooms.
Available in White or Black
Fits in a 2'x2' ceiling grid system. Learn More
Available in White or Black
Fits in a 2'x2' ceiling grid system. Learn More
Plastic Return Air with Back Plate (#4988-xx)
As low as
$ 79.95
Two foot by two foot Plastic Air Return with collar sizes from six to twenty inches. Keep your business looking clean. Ideal for restaurants, hospitals, office buildings and clean rooms. Learn More
Return Air Filter Housing-No Back Plate (#4995)
$ 69.00
As low as: $ 61.20
As low as: $ 61.20
Plastic Return Air Filter Housing
DOES NOT INCLUDE COLLAR BACK PLATE.
20"x20" filter included.
Available in White or Black Learn More
DOES NOT INCLUDE COLLAR BACK PLATE.
20"x20" filter included.
Available in White or Black Learn More
Plastic Air Diffuser & Return Combo (#4990-xx)
As low as
$ 70.00
Plastic ceiling air diffuser or return combo. Available in white or black (special order). Neck sizes available: 6", 8", 10", 12" and 14". 4-way air distribution. Learn More
Plastic Egg Crate Filtered Return (#4989-xx)
As low as
$ 85.99
2'x2' Plastic Egg Crate Filtered Return with reusable 100% thermally reticulated, washable and reusable filter, included. Fits in a standard ceiling grid system. Learn More
Plastic Perforated Return (#4994)
$ 32.95
As low as: $ 30.95
As low as: $ 30.95
Replace old rusted metal returns or egg crate style returns with our non-corrosive Plastic Perforated Return.
Fits nicely in a 2’x2’ ceiling grid system. Lets return air and heat escape to the plenum.
Made of durable ABS plastic.
Available in white.
Learn More
Fits nicely in a 2’x2’ ceiling grid system. Lets return air and heat escape to the plenum.
Made of durable ABS plastic.
Available in white.
Learn More
Plastic Single Tier Return (#4991w)
$ 69.95
As low as: $ 65.95
As low as: $ 65.95
Plastic Single Tier Return Assembly Available in white or black. 16" opening. 4-way air return. Learn More
Plastic Double Tier Return (#4992w)
$ 69.95
As low as: $ 65.95
As low as: $ 65.95
Plastic Double Tier Return AssemblyAvailable in white or black. 16" opening. 4-way air return.
Learn More
Learn More
Air Diverter-White 24"x12" (#4873)
Regular Price:
$ 29.99
Special Price: $ 27.99
As low as: $ 25.99
Special Price: $ 27.99
As low as: $ 25.99
Air Diverter-White 24"x12" for traditional style ceiling air diffusers. Divert cold or hot air from HVAC air conditioning units from blowing down directly. Easily installed underneath a standard 2'x2' HVAC diffuser.
24"wide x 12"'long x 3" high.
.080 gauge polystyrene construction.
NOTE: Air Diverters are intended to be used one at a time. Do not block the entire diffuser by using two side by side. Learn More
24"wide x 12"'long x 3" high.
.080 gauge polystyrene construction.
NOTE: Air Diverters are intended to be used one at a time. Do not block the entire diffuser by using two side by side. Learn More
Ceiling Dust Deflector-White 24"x24"x2.25" (#4872)
$ 20.99
As low as: $ 19.99
As low as: $ 19.99
Ceiling Dust Deflector-White. 24"x24"x2.25", one piece unit for traditional style lay-in ceiling air diffusers and vents. Stop carbon soot from building up on the ceiling tiles surrounding the HVAC vent covers. Great for supermarkets, restaurants, department stores and schools. Learn More
Butterfly Air Dampers (#4944-xx)
As low as
$ 26.95
Install Air Dampers in the existing HVAC diffusers to restrict air flow. Learn More
Residential & Light Commercial Plastic Air Diffusers (#4946-xx)
As low as
$ 34.99
STANDARD PLASTIC AIR DIFFUSER: For 6",7",8" Duct
11-1/4" x 11-1/4" OD (Round is 12-1/2")
Hole size: 9-1/4" Diameter
SMALL PLASTIC AIR DIFFUSER: For 4",5",6" Duct
8-3/4" x 8-3/4" OD (Round is 9-3/8")
Hole size: 7-1/4" Diameter Learn More
11-1/4" x 11-1/4" OD (Round is 12-1/2")
Hole size: 9-1/4" Diameter
SMALL PLASTIC AIR DIFFUSER: For 4",5",6" Duct
8-3/4" x 8-3/4" OD (Round is 9-3/8")
Hole size: 7-1/4" Diameter Learn More
12" x 12" Plastic Slotted Diffusers (#4947-xx)
As low as
$ 49.99
12" x12" Slotted Plastic Ceiling Air Diffusers.
Great for high humidity areas. Learn More
Great for high humidity areas. Learn More
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