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Plastic Diffusers

Non-corrosive plastic ceiling registers, vents and air returns are ideal for wet and humid areas such as kitchens, locker rooms, showers, indoor pools, dishwashing areas and medical MRI rooms. Larger 2'x2' are made to be installed into a ceiling grid system while our smaller 12" x 12" plastic vents are ideal for rest rooms and showers.

Ceiling Repairs

Black soot and dust on your ceiling tiles can be expensive and difficult to clean or replace. Avoid damage to the ceiling tiles surrounding your ceiling diffusers by installing our unique ceiling dust deflectors. 1800ceiling.com carries many innovative repair products and even offers How-To videos for the do-it-yourselfers.

Air Diverters

Block and redirect annoying drafts from square 2'x2' ceiling diffusers and linear ceiling vents. Our diverters install quickly without the need for tools. Stay comfortable while sitting at your work station. Ideal for offices, restaurants, commercial kitchens and medical facilities.

Plastic Diffusers, Plastic Vents

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Plastic Air Diffuser in 2'x2' ceiling grid.

Plastic Air Diffuser with metal nuts (#4945-xx)
As low as $62.95

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Actual size 23.75" x 23.75". Designed to fit in a 2'x2' ceiling grid system

Plastic Perforated Tile/Return
As low as $32.95

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Item 4986MRI-Plastic Diffuser

Plastic Air Diffuser MRI Non Metal (#4986MRI-xx)
As low as $64.95

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4990 Plastic Air Diffuser or Return Available with collar sizes of 6",8",10",12",14"

Plastic Air Diffuser & Return Combo (#4990-xx)
As low as $79.00

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Item 4988 Plastic Air Return with Collar sizes: 6", 8", 10", 12", 14"

Plastic Return Air with Back Plate (#4988-xx)
As low as $79.95

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20"x20' square neck-Rear view

Return Air Filter Housing-No Back Plate (#4995)
$69.00
As low as: $61.20

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Item 4991 Single Tier Return with 16" Back Plate

Plastic Single Tier Return (#4991w)
$69.95
As low as: $65.95

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Item # 4992w Double Tier Assembly

Plastic Double Tier Return (#4992w)
$69.95
As low as: $65.95

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Actual size 23.75" x 23.75". Designed to fit in a 2'x2' ceiling grid system.

Plastic Egg Crate Filtered Return (#4989-xx)
As low as $85.99

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Plastic Egg Crates in Acrylic & Polystyrene

Egg Crate Lens & Air Returns (#4722-xx)
As low as $15.50

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Small & Classic Plastic Air Diffuser

Residential & Light Commercial Plastic Air Diffusers (#4946-xx)
As low as $34.99

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12" x 12" Plastic Slotted Diffuser-White

12" x 12" Plastic Slotted Diffusers (#4947-xx)
As low as $49.99

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Universal Collar (#4987-U-Collar)

Universal Collar (#4987-U-Collar)
$28.00

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6", 8" 10", 12", 14" available. (This is made for a 10" HVAC collar)

Butterfly Air Dampers (#4944-xx)
As low as $26.95

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#4872  Ceiling Dust Deflector with factory split.

Ceiling Dust Deflector-White 24"x24"x2.25" (#4872)
$23.99
As low as: $19.99

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