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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.

Replacement Light Covers

We carry and can custom make fluorescent light covers and replacement light covers for all fluorescent and commercial lighting. We produce all types and shapes of fluorescent light covers and stock thousands of lighting lens styles including: parabolic, acrylic, wrap arounds, globes, protective tubing and many more.

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Flat white acrylic lens-Smooth on one side and a slight texture on the other.
White Light Lens .080 Gauge (residential thickness) (Item 4721C-.080) CUSTOM SIZES
$29.99
As low as: $29.49

Please use the drop down menus to specify the width and length of your light lens to the closest 1/16". THERE IS A 3 PIECE MINIMUM ON ALL CUSTOM LIGHT LENS ORDERS. You are ordering the .080 gauge/thickness white prismatic light lens. Smooth on one side, slight texture on the other. Install with the texture side facing the down. Stock sizes are: 22-1/2"x 22-1/2" & 22-1/2" x 46-1/2". A cut charge of $.75 will be calculated for width and length other than stock size. 3 lens minimum for custom lenses.

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Flat white acrylic lens-Smooth on one side and a slight texture on the other.
White Light Lens .118 Gauge (commercial thickness) (Item 4721C-.118) CUSTOM SIZES
$35.99
As low as: $34.99

Please use the drop down menus to specify the width and length of your light lens to the closest 1/16". THERE IS A 3 PIECE MINIMUM ON ALL CUSTOM LIGHT LENS ORDERS. You are ordering the .118 gauge/thickness white light lens. Smooth on both sides. Stock sizes are found here.

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.100 Gauge Clear Acrylic Prismatic. Also available in .125 Gauge (commercial)
Clear Acrylic Prismatic Light Lens CUSTOM SIZE-1'x4' Widths
$14.99
As low as: $14.50

We have the best prismatic light lens replacement lenses in clear acrylic. You won't find these in your local home center store. The .125 gauge is a commercial thickness lens and is strong enough to sit in a standard ceiling grid system without additional support. The .100 gauge/thickness are ideal for residential fixtures or light commercial/office buildings. Measure your existing lens before ordering!


Please use the drop down menus to specify the gauge/thickness, width and length of your light lens to the closest 1/16". These drop downs are for Widths from 8"-11-3/4". 1'x4' Stock Sizes Available THERE IS A 3 PIECE MINIMUM ON ALL CUSTOM LIGHT LENS ORDERS. Smooth on one side, bumpy on the other. Install with bumpy side facing the down.

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Black Egg Crate Lens & Air Returns (#4722B-xx)
Black Egg Crate Lens & Air Returns (#4722B-xx)
As low as $12.75
Black Egg crates for fluorescent lighting or HVAC air returns or vents.
The cell size is 1/2" x1/2" and it is 3/8" thick
Will fit perfectly in a standard ceiling grid system for HVAC air returns and venting and can be used as a light lens or louver.
Custom sizes available to fit in a fluorescent light lens frame. Measure your existing frame or egg crate lens and call us with the dimensions for a price quote.
2 PIECE MINIMUM ORDER. Learn More

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Chrome/Silver Egg Crate Lens & Air Returns (#4722CH-xx)
Chrome/Silver Egg Crate Lens & Air Returns (#4722CH-xx)
As low as $16.75
Chrome/Silver Egg crates for fluorescent lighting or HVAC air returns or vents.
The cell size is 1/2" x1/2" and it is 3/8" thick
Will fit perfectly in a standard ceiling grid system for HVAC air returns and venting and can be used as a light lens or louver.
Custom sizes available to fit in a fluorescent light lens frame. Measure your existing frame or egg crate lens and call us with the dimensions for a price quote.
2 PIECE MINIMUM ORDER. Learn More

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White Acrylic Egg Crate Lens-1/2" Thick (#4722A-xx-.050)
White Acrylic Egg Crate Lens-1/2" Thick (#4722A-xx-.050)
As low as $21.95

Acrylic Egg crates for fluorescent lighting at 1/2" thick. Item #4722A-will fit perfectly in a standard ceiling grid system. Made from white non-yellowing acrylic. Item #4722P is perfect for HVAC air returns and venting and will fit in standard ceiling grid system. Custom sizes available to fit in a fluorescent light lens frame. Measure your existing frame or egg crate lens and call us with the dimensions for a price quote. 2 PIECE MINIMUM ORDER.

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3/8" Thick, Acrylic White Egg Crate with 1/2" x 1/2" cells
White Acrylic Egg Crate Lens-3/8" Thick (#4722A-xx-.375)
As low as $14.95

Acrylic Egg crates for fluorescent lighting at 3/8" thick. Item #4722A-will fit perfectly in a standard ceiling grid system. Made from white non-yellowing acrylic. Item #4722P is perfect for HVAC air returns and venting and will fit in standard ceiling grid system. Custom sizes available to fit in a fluorescent light lens frame. Measure your existing frame or egg crate lens and call us with the dimensions for a price quote. 2 PIECE MINIMUM ORDER.


Stock sizes/outside dimensions:Item # 4722A-1x4N=11-3/4" x 47-3/4", Item # 4722A-2x2N=23-3/4" x 23-3/4",  Item # 4722A-2x4N=23-3/4" x 47-3/4"

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Item 4112 Wrap Around Light Lens
4' Wrap-Around Lens (Scroll to bottom of page for measurements) 2 or 6 Piece Minimum
As low as $30.97

Scroll down for measurements.  Above prices are for EACH individual wrap around and not a case of 2. HOWEVER there is a 2 or 6 piece minimum per item due to excessive packaging to protect from damage while in transit. See picture #3 to the left, under "More Views" for measurement guidance. Measurement "C" (between hooks) is very important.  *PLEASE NOTE: WRAP AROUND LIGHT LENS ORDERS ARE NOT RETURNABLE!  PLEASE MAKE SURE YOUR MEASUREMENTS ARE CORRECT.

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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

We have the best prismatic light lens replacement lenses in clear acrylic. You won't find these in your local home center store. The .125 gauge is a commercial thickness lens and is strong enough to sit in a standard ceiling grid system without additional support.  The 23-3/4" x 23-3/4" x .125 gauge lenses are cut to fit in a 2'x2' ceiling grid system. The .100 gauge is slightly thinner than the .125 gauge and can be used for residential or light commercial/office applications. 


Measure your existing lens before ordering! If your size is not listed, we can custom cut the lens for you, use our custom size order page. Lenses are sold in packages of 2,3,4 or 5 pieces.


Please do not call to order custom lenses. Put all information in an email:size, thickness, shipping address etc. We will reply via email with a proposal and shipping costs. Send to sales@1800ceiling.com

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White Polystyrene Egg Crate Air Returns (#4722P-xx)
White Polystyrene Egg Crate Air Returns (#4722P-xx)
As low as $15.50
White Polystyrene Egg crate for air returns and venting.
Injection molded 1/2" Thick x 1/2" x 1/2" square cell eggcrate louver has a unique interlocking edge design so it can be butted together to form an almost seamless continuous joint.
Stock sizes/outside dimensions:Item # 4722P-1x4N=11-3/4" x 47-3/4", Item # 4722P-2x2N=23-3/4" x 23-3/4", Item # 4722P-2x4N=23-3/4" x 47-3/4"
2 PIECE MINIMUM ORDER. Learn More

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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

We have the best prismatic light lens replacement lenses in clear acrylic. You won't find these in your local home center store. The .125 gauge is a commercial thickness lens and is strong enough to sit in a standard ceiling grid system without additional support.  The  23-3/4" x 47-3/4" x .125 gauge are cut to fit in a 2'x4' ceiling grid system. The 22-1/2" x 46-1/2" lens is cut to fit in a light lens frame. Available in .125 gauge and the thinner, residential grade of .100 gauge. Measure your existing lens before ordering! If your size is not listed, we can custom cut the lens for you, use our custom size page. Lenses are sold in packages of 2,3,4 or 5 pieces.  Note: we do not sell the 23-3/4" x47-3/4" light lens is the thinner .100 gauge.


Please do not call to order custom lenses. Put all information in an email:size, thickness, shipping address etc. We will reply via email with a proposal and shipping costs. Send to sales@1800ceiling.com

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Custom Sizes from 20"-23-3/4" wide and 20"-23-3/4" long
Clear Acrylic Prismatic Light Lens CUSTOM SIZES-2'x2' Widths
$14.99
As low as: $14.50

We have the best prismatic light lens replacement lenses in clear acrylic. You won't find these in your local home center store. The .125 gauge is a commercial thickness lens and is strong enough to sit in a standard ceiling grid system without additional support. The .100 gauge/thickness are ideal for residential fixtures or light commercial/office buildings. Measure your existing lens before ordering!


Please use the drop down menus to specify the width and length of your light lens to the closest 1/16". THERE IS A 3 PIECE MINIMUM ON ALL CUSTOM LIGHT LENS ORDERS. You are ordering the .125 gauge/thickness clear prismatic light lens. Smooth on one side, bumpy on the other. Install with bumpy side facing down. Stock sizes are 22-1/2"x46-1/2" and 23.75"x47.75". A cut charge of $.75 will be calculated for widths and lengths other than stock sizes. 

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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

We have the best prismatic light lens replacement lenses in clear acrylic. You won't find these in your local home center store. The .125 gauge is a commercial thickness lens and is strong enough to sit in a standard ceiling grid system without additional support.  The 11-3/4" x 47-3/4" are cut to fit in a 1''x4' ceiling grid system. The 10-1/2" x 46-1/2" are precut to fit in a fluorescent light lens fixture. The .100 gauge/thickness are ideal for residential fixtures or light commercial/office buildings. Measure your existing lens before ordering! If your size is not listed, we can custom cut the lens for you, use our custom size order page. Lenses are sold in packages of 2, 3, 4 or 5 units.


Please do not call to order custom lenses. Put all information in an email:size, thickness, shipping address etc. We will reply via email with a proposal and shipping costs. Send to sales@1800ceiling.com

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Use the drop down menus to customize your lens size.
Clear Acrylic Prismatic Light Lens CUSTOM SIZES-2'x4' Widths
$19.99
As low as: $19.49

We have the best prismatic light lens replacement lenses in clear acrylic. You won't find these in your local home center store. The .125 gauge is a commercial thickness lens and is strong enough to sit in a standard ceiling grid system without additional support. The 23-3/4" x 47-3/4" x .125 gauge lenses are cut to fit in a 2'x4' ceiling grid system. The .100 gauge is slightly thinner than the .125 gauge and can be used for residential or light commercial/office applications.


Please use the drop down menus to specify the width and length of your light lens to the closest 1/16". THERE IS A 3 PIECE MINIMUM ON ALL CUSTOM LIGHT LENS ORDERS. Smooth on one side, bumpy on the other. Install with bumpy size facing the down. Stock sizes are: 22-1/2"x46-1/2" & 23-3/4-47-3/4". A cut charge of $.75 will be calculated for width and length other than stock sizes.

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Clear acrylic prismatic lens @.125 gauge.
Clear Acrylic Prismatic Light Lens CUSTOM SIZES-Extra Wide
$29.99

The following sizes are wider and longer than usual light lens sizes. Please use the drop down menus to specify the width and length of your light lens to the closest 1/16". THERE IS A 3 PIECE MINIMUM ON ALL CUSTOM LIGHT LENS ORDERS. You are ordering the .125 gauge/thickness clear prismatic light lens. Smooth on one side, bumpy on the other. Install with bumpy side facing down. Stock sizes, click here. A cut charge of $.75 will be calculated for widths and lengths other than stock sizes. 

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15 Item(s)

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15 Item(s)

Grid  List 

Set Descending Direction