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Cover Style Cover Style |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Back Panel Material Back Panel Material |
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Ready-to-Connect Drop-Ceiling Diffusers
No additional fittings or collars needed—connect to round duct with the included collar. These diffusers fit in the grid of a drop ceiling to evenly disperse airflow and maintain a consistent temperature throughout the space.
Dampers with a butterfly opening/closing style open on a middle hinge. The removable handle adjusts the damper to control airflow and is easier to adjust than dampers with a radial opening/closing style.
Dampers with a radial opening/closing style open in a circle for more precise airflow than dampers with a butterfly opening/closing style.
For technical drawings and 3-D models, click on a part number.



Diffusers | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Ceiling Tile | Dampers with Butterfly Opening/Closing | Dampers with Radial Opening/Closing | |||||||||||||
For Duct Trade Size | Wd., ft. | Lg., ft. | OD | Gender | Material | Color | Back Panel Material | Louvered Diffuser Style | Includes | Each | Each | Each | |||
Louvered | |||||||||||||||
6 | 2 | 2 | 5.875" | Male | Painted Steel | White | Steel | 3-Tier | Collar | 000000000 | 000000 | 00000000 | 000000 | 000000000 | 000000 |
6 | 2 | 2 | 6" | Male | Painted Steel | White | Steel | 2-Tier | Collar | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
8 | 2 | 2 | 7.875" | Male | Painted Steel | White | Steel | 3-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
8 | 2 | 2 | 8" | Male | Painted Steel | White | Steel | 2-Tier | Collar | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
10 | 2 | 2 | 9.875" | Male | Painted Steel | White | Steel | 3-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
10 | 2 | 2 | 10" | Male | Painted Steel | White | Steel | 2-Tier | Collar | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
12 | 2 | 2 | 11.875" | Male | Painted Steel | White | Steel | 3-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
12 | 2 | 2 | 12" | Male | Painted Steel | White | Steel | 2-Tier | Collar | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
14 | 2 | 2 | 13.875" | Male | Painted Steel | White | Steel | 3-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
14 | 2 | 2 | 14" | Male | Painted Steel | White | Steel | 2-Tier | Collar | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
Perforated | |||||||||||||||
6 | 2 | 2 | 6" | Male | Painted Steel | White | Steel | __ | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
8 | 2 | 2 | 8" | Male | Painted Steel | White | Steel | __ | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
10 | 2 | 2 | 10" | Male | Painted Steel | White | Steel | __ | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
12 | 2 | 2 | 12" | Male | Painted Steel | White | Steel | __ | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
14 | 2 | 2 | 14" | Male | Painted Steel | White | Steel | __ | Collar | 000000000 | 000000 | 00000000 | 00000 | 000000000 | 00000 |
Plaque | |||||||||||||||
6 | 2 | 2 | 6" | Male | Painted Steel | White | Steel | 1-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
8 | 2 | 2 | 8" | Male | Painted Steel | White | Steel | 1-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
10 | 2 | 2 | 10" | Male | Painted Steel | White | Steel | 1-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
12 | 2 | 2 | 12" | Male | Painted Steel | White | Steel | 1-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
14 | 2 | 2 | 14" | Male | Painted Steel | White | Steel | 1-Tier | Collar | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 |
Prep, paint, and seal small scratches on metal surfaces with these pens.
Dry Time | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Container Size, oz. | Composition | Formulation | Touch, sec. | O'all, min. | Max. Temp. | For Use Outdoors | For Use On | Color (Appearance) | Each | |
0.3 | Solvent Based | Acrylic Lacquer | 30 | 1 | Not Rated | No | Aluminum, Steel, Iron | White (Gloss) | 00000000 | 000000 |
Drop-Ceiling Diffusers


Place these diffusers in the grid of a drop ceiling to evenly disperse airflow and maintain consistent temperature throughout the space. Connect to round duct with a snap-on collar (not included).
Grid diffusers are often used with cooling systems. They disperse a thin layer of air along the ceiling for even distribution.
Perforated diffusers have more openings than grid diffusers to release more air.

Connect drop-ceiling diffusers to duct. Use the included push-in fasteners to attach collar to diffuser.
For use with drop-ceiling diffusers and ready-to-connect drop-ceiling diffusers, these dampers regulate airflow. The removable handle adjusts the damper to control airflow. Dampers mount to a collar.
Dampers for Drop-Ceiling Diffusers


For use with drop-ceiling diffusers and ready-to-connect drop-ceiling diffusers, these dampers regulate airflow. Dampers mount to a collar.
Dampers with a butterfly opening/closing style open on a middle hinge. The removable handle adjusts the damper to control airflow and is easier to adjust than dampers with a radial opening/closing style.
Dampers with a radial opening/closing style open in a circle for more precise airflow than dampers with a butterfly opening/closing style.
For technical drawings and 3-D models, click on a part number.
For Duct Trade Size | Material | Each | |
Butterfly Opening/Closing Style | |||
---|---|---|---|
6 | Galvanized Steel | 00000000 | 000000 |
8 | Galvanized Steel | 00000000 | 00000 |
10 | Galvanized Steel | 00000000 | 00000 |
12 | Galvanized Steel | 00000000 | 00000 |
14 | Galvanized Steel | 00000000 | 00000 |
Radial Opening/Closing Style | |||
6 | Galvanized Steel | 000000000 | 00000 |
8 | Galvanized Steel | 000000000 | 00000 |
10 | Galvanized Steel | 000000000 | 00000 |
12 | Galvanized Steel | 000000000 | 00000 |
14 | Galvanized Steel | 000000000 | 00000 |
Ready-to-Connect Moisture-Resistant Drop-Ceiling Diffusers
A vapor barrier provides moisture protection as these diffusers evenly disperse airflow and maintain a consistent temperature throughout the space. No additional fittings or collars needed—connect to round duct with the included collar. Diffusers fit in the grid of a drop ceiling.
Diffusers with R-6 insulation thermal resistance maintain temperature more effectively than diffusers with R-1 thermal resistance.
Dampers with a butterfly opening/closing style open on a middle hinge. The removable handle adjusts the damper to control airflow and is easier to adjust than dampers with a radial opening/closing style.
Dampers with a radial opening/closing style open in a circle for more precise airflow than dampers with a butterfly opening/closing style.
For technical drawings and 3-D models, click on a part number.

Diffusers | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Ceiling Tile | Dampers with Butterfly Opening/Closing | Dampers with Radial Opening/Closing | Insulation Blankets | ||||||||||||
For Duct Trade Size | Wd., ft. | Lg., ft. | OD | Gender | Material | Color | Insulation Thermal Resistance | Each | Each | Each | Each | ||||
Louvered | |||||||||||||||
6 | 2 | 2 | 6" | Male | Painted Steel | White | R-1 | 00000000 | 000000 | 00000000 | 000000 | 000000000 | 000000 | 000000000 | 000000 |
6 | 2 | 2 | 6" | Male | Painted Steel | White | R-6 | 000000000 | 000000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
8 | 2 | 2 | 8" | Male | Painted Steel | White | R-1 | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
8 | 2 | 2 | 8" | Male | Painted Steel | White | R-6 | 000000000 | 000000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
10 | 2 | 2 | 10" | Male | Painted Steel | White | R-1 | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
10 | 2 | 2 | 10" | Male | Painted Steel | White | R-6 | 000000000 | 000000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
12 | 2 | 2 | 12" | Male | Painted Steel | White | R-1 | 00000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
12 | 2 | 2 | 12" | Male | Painted Steel | White | R-6 | 000000000 | 000000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
14 | 2 | 2 | 14" | Male | Painted Steel | White | R-1 | 000000000 | 00000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
14 | 2 | 2 | 14" | Male | Painted Steel | White | R-6 | 000000000 | 000000 | 00000000 | 00000 | 000000000 | 00000 | 000000000 | 00000 |
Prep, paint, and seal small scratches on metal surfaces with these pens.
Dry Time | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Container Size, oz. | Composition | Formulation | Touch, sec. | O'all, min. | Max. Temp. | For Use Outdoors | For Use On | Color (Appearance) | Each | |
0.3 | Solvent Based | Acrylic Lacquer | 30 | 1 | Not Rated | No | Aluminum, Steel, Iron | White (Gloss) | 00000000 | 000000 |
Moisture-Resistant Drop-Ceiling Diffusers


A vapor barrier provides moisture protection as these diffusers evenly disperse airflow and maintain a consistent temperature throughout the space. They fit in the grid of a drop ceiling. Connect to round duct with a snap-on collar (not included).
Grid diffusers are often used with cooling systems. They disperse a thin layer of air along the ceiling for even distribution.
Perforated diffusers have more openings than grid diffusers to release more air.
Connect drop-ceiling diffusers to duct. Use the included push-in fasteners to attach collar to diffuser.
For use with drop-ceiling diffusers and ready-to-connect drop-ceiling diffusers, these dampers regulate airflow. The removable handle adjusts the damper to control airflow. Dampers mount to a collar.
Snap-On Collars for Drop-Ceiling Diffusers

Connect drop-ceiling diffusers to duct. Use the included push-in fasteners to attach collar to diffuser.
For technical drawings and 3-D models, click on a part number.
Ready-to-Connect Ceiling Diffusers


Diffusers come with a collar and damper already in place for simple installation. They evenly disperse airflow into a room to maintain a consistent temperature throughout the space. Collar is adjustable to fit a range of duct sizes.
Made of plastic, these diffusers are impact, abrasion, and chemical resistant.
Ceiling Diffusers



Evenly disperse airflow into a room to maintain a consistent temperature throughout the space.
Collars and collars with damper connect diffusers to duct. They are sold separately. Collars with damper adjust to control airflow.
For technical drawings and 3-D models, click on a part number.
Diffusers | Collars | Collars with Damper | ||||||||
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For Duct Trade Size | Overall Dia. | Material | Color | Mounting Fasteners Included | Each | Each | Each | |||
6 | 10" | Painted Steel | White | Yes | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 000000 |
8 | 12" | Painted Steel | White | Yes | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
10 | 14" | Painted Steel | White | Yes | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
12 | 16" | Painted Steel | White | Yes | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
14 | 18" | Painted Steel | White | Yes | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
Wall/Ceiling Registers





Direct air coming out of HVAC systems. Adjust the damper to control airflow.
Adjustable airflow registers have fins that can be turned to alter the airflow direction.
For Opening | Face Plate | White Painted Steel Frame and Blade | ||||
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Wd. | Ht. | Wd. | Ht. | Mounting Fasteners Included | Each | |
One-Way Airflow | ||||||
8" | 4" | 9 3/8" | 5 3/8" | Yes | 00000000 | 000000 |
10" | 4" | 11 3/8" | 5 3/8" | Yes | 00000000 | 00000 |
12" | 6" | 13 3/8" | 7 3/8" | Yes | 00000000 | 00000 |
14" | 6" | 15 3/8" | 7 3/8" | Yes | 00000000 | 00000 |
Three-Way Airflow | ||||||
10" | 4" | 11 3/8" | 5 3/8" | Yes | 00000000 | 00000 |
10" | 6" | 11 3/8" | 7 3/8" | Yes | 00000000 | 00000 |
12" | 6" | 13 3/8" | 7 3/8" | Yes | 00000000 | 00000 |
Four-Way Airflow | ||||||
10" | 10" | 11 3/8" | 11 3/8" | Yes | 00000000 | 00000 |
12" | 12" | 13 3/8" | 13 3/8" | Yes | 00000000 | 00000 |
14" | 14" | 15 3/8" | 15 3/8" | Yes | 00000000 | 00000 |
16" | 16" | 17 3/8" | 17 3/8" | Yes | 00000000 | 00000 |
Adjustable Airflow | ||||||
8" | 6" | 9 3/4" | 7 3/4" | Yes | 00000000 | 00000 |
10" | 6" | 11 3/4" | 7 3/4" | Yes | 00000000 | 00000 |
12" | 4" | 13 3/4" | 5 3/4" | Yes | 00000000 | 00000 |
12" | 6" | 13 3/4" | 7 3/4" | Yes | 00000000 | 00000 |
12" | 8" | 13 3/4" | 9 3/4" | Yes | 00000000 | 00000 |
14" | 6" | 15 3/4" | 7 3/4" | Yes | 00000000 | 00000 |
14" | 8" | 15 3/4" | 9 3/4" | Yes | 00000000 | 00000 |
16" | 4" | 17 3/4" | 5 3/4" | Yes | 00000000 | 00000 |
16" | 6" | 17 3/4" | 7 3/4" | Yes | 00000000 | 00000 |
16" | 8" | 17 3/4" | 9 3/4" | Yes | 00000000 | 00000 |
Air Diverters
Guide air toward your workspace or deflect unwanted drafts with these diverters and covers. They fit over HVAC vents, diffusers, and registers to direct hot and cold air.
Diverters direct air without restricting flow. Slide-in-mount diverters fit between your diffuser and a drop ceiling grid.