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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.

Best Sellers

Below you will find some of our best selling items, including our most popular and reliable air diffuser, air deflector, leak diverter, and HVAC diffusers. To view our complete inventory of products, please click on the different categories located on the left side of the page. We carry many solutions for ceiling cleaning and ceiling repair in addition to our inventory of air diffusers, air deflectors, leak diverters, and HVAC diffusers.

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23 Item(s)

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Item # 4877 Eight  filtered slots direct air across the ceiling.

Filtered Air System
As low as $5.79

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Clear Acrylic Prismatic Lens @.125 gauge. Also available in .100 gauge (residential thickness)

2'x4' Clear Acrylic Prismatic Light Lens. STOCK SIZES Pack of 2,3,4 or 5 lenses.
As low as $41.98

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Actual length is 59-3/4" from outside edge to outside edge.

5' Long White Linear Air Diverter (4875-60-xx) 1 slot, 2 slot, 3 slot or 4 slot linear diffusers/vents
As low as $39.99

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Linear Air Diverter-White. For 24" Linear Air Diffusers.

2' Long White Linear Air Diverter (4875-24-xx) for 1 slot, 2 slot, 3 slot or 4 slot linear diffusers/vents
As low as $24.99

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Linear Air Diverter-White. For 48" Linear Air Diffusers. Actual length is 47-3/4"

4' Long White Linear Air Diverter (4875-48-xx) for 1 slot, 2 slot, 3 slot or 4 slot linear diffusers/vents
As low as $31.49

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Clear Linear Air Diverter. 45 degree angle, Purchase item #4875 for a 90 degree deflection.

Clear Linear Air Diverter for a 45 Degree Deflection (4874-xx)
As low as $26.99

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2'x2' & 2'x4" Leak Diverter

Ceiling Leak Diverters
As low as $110.99

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Item 4873-Tri  Corner Air Diverter

Corner Air Diverter-White (#4873-Tri)
Regular Price: $29.99
Special Price: $26.99
As low as: $24.99

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Installs in 10 seconds

Air Diverter-White 24"x12" (#4873)
Regular Price: $29.99
Special Price: $24.99
As low as: $23.99

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4871 Clear Ceiling Dust Deflector (VENT NOT INCLUDED)

Clear Ceiling Dust Deflector for 24" x 24" traditional ceiling diffuser. (#4871)
$22.99
As low as: $18.99

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#4872  Ceiling Dust Deflector with factory split.  VENT NOT INCLUDED

Ceiling Dust Deflector-White 24"x24"x2.25" (#4872) 3 piece minimum
$23.99
As low as: $19.99

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Plastic Air Diffuser in 2'x2' ceiling grid.

White Plastic Air Diffuser (#4945W-xx)
As low as $69.95

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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 $69.95

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Item 4988W  White Plastic Air Return

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

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13oz Black Drainage Tarp-Heavy Duty

13oz. Heavy Duty Drainage Tarp, Vinyl Polyester-Translucent or Black
As low as $29.00

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Poly Pro Tape for Dual Tac Dispenser (6 roll minimum for free shipping)

Poly Pro Tape for Dual Tac Disp.(#4806) FREE SHIPPING!
$4.09
As low as: $3.19

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3'x25' Pipe Leak Tarp with 3/4" hose bib in the center. Custom sizes available.

3'x25' Pipe Leak Tarp. (4936-3x25)
$114.99
As low as: $104.99

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SAV-A-CEILING 5 gallon bucket

SAV-A-CEILING Architectural Ceiling Coating (#4801)
$145.00

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4G case

4' Grid Cover-126/case (#4815-126)
$191.52

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Install RetroFit Frame in ceiling grid system

Retro Fit Light Frame Replacement (#4710)
As low as $34.00

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Clear Acrylic Prismatic Lens @.125 gauge. Also available in .100 gauge (residential thickness)

2'x2' Clear Acrylic Prismatic Light Lens. STOCK SIZES Pack of 2,3,4 or 5 lenses.
As low as $29.98

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Clear Acrylic Prismatic Lens @.125 gauge. Also available in .100 gauge (residential thickness)

1'x4' Clear Acrylic Prismatic Light Lens. STOCK SIZES Pack of 2,3,4 or 5 lenses.
As low as $29.98

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23 Item(s)

per page
23 Item(s)

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Set Descending Direction