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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 Air Returns & Grilles

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Item 4988W  White Plastic Air Return

White Plastic Return Air with Back Plate (#4988W-xx)
As low as $71.00

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Black Plastic Return Air with Back Plate (#4988BL-xx)

Black Plastic Return Air with Back Plate (#4988BL-xx)
As low as $71.00

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Beige Plastic Air Return with Collar sizes: 6", 8", 10", 12", 14", 16", 18"

Beige Plastic Return Air with Back Plate (#4988BG-xx)
As low as $71.00

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Aluminum Sight Guard Grilles (#4762-xx)

Aluminum Sight Guard Grilles (#4762-xx)
As low as $29.99

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

White or Black Plastic Perforated Ceiling Tiles/Vents
As low as $32.95

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Plaster Ceiling Mounting Frames

Plaster Ceiling Mounting Frames
As low as $15.99

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White Polystyrene Egg Crate Air Return (#4722P-xx)

White Polystyrene Egg Crate Air Return (#4722P-xx)
As low as $15.50

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Black Polystyrene Egg Crate Lens or Air Return (#4722B-xx)

Black Polystyrene Egg Crate Lens or Air Return (#4722B-xx)
As low as $12.75

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Chrome/Silver Polystyrene Egg Crate Lens or Return (#4722CH-xx)

Chrome/Silver Polystyrene Egg Crate Lens or Return (#4722CH-xx)
As low as $16.75

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

White Plastic Egg Crate Filtered Return (#4989W-xx)
As low as $69.99

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Item # 4989BL with Collar sizes from 6"-18" and a 20" sq. opening

Black Plastic Egg Crate Filtered Return (#4989BL-xx)
As low as $69.99

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Plastic Single Tier Return (#4991)

Plastic Single Tier Return (#4991)
As low as $71.95

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Plastic Double Tier Return (#4992)

Plastic Double Tier Return (#4992)
As low as $71.95

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Customize the neck size of your diffuser to 6", 8", 10", 12", 14"

Universal Collar (#4995-U-Collar)
$28.00

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Diffuser Insulation Tent (#4995-Tent)

Diffuser Insulation Tent (#4995-Tent)
$27.99
As low as: $26.99

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