130 Results
Filters 4
Popularity Best Sellers Product Name Order Number

Metal Ceiling Diffusers, Diffusers, Air Distribution (Grilles, Sheet Metal, etc), Supplies

Square Ceiling Directional Diffuser L72-168
Square Ceiling Directional Diffuser
Size (W x H): 16" x 16"; Description: No Damper;
Brand: TRUaire Mfg #: 560
View Similar Items
Square Ceiling Directional Diffuser L72-167
Square Ceiling Directional Diffuser
Size (W x H): 14" x 14"; Description: No Damper;
Brand: TRUaire Mfg #: 560
View Similar Items
Square Ceiling Directional Diffuser L72-169
Square Ceiling Directional Diffuser
Size (W x H): 18" x 18"; Description: No Damper;
Brand: TRUaire Mfg #: 560
View Similar Items
Square Ceiling Directional Diffuser L72-170
Square Ceiling Directional Diffuser
Size (W x H): 20" x 20"; Description: No Damper;
Brand: TRUaire Mfg #: 560
View Similar Items
Square Ceiling Directional Diffuser L70-384
Square Ceiling Directional Diffuser
Size (W x H): 18" x 18"; Description: Multi-Shutter Damper;
Brand: TRUaire Mfg #: 560M
Catalog Pg.: 892 View Similar Items
Square Ceiling Directional Diffuser L70-611
Square Ceiling Directional Diffuser
Size (W x H): 16" x 16"; Description: Multi-Shutter Damper;
Brand: TRUaire Mfg #: 560M
Catalog Pg.: 892 View Similar Items
Square Ceiling Directional Diffuser L70-383
Square Ceiling Directional Diffuser
Size (W x H): 14" x 14"; Description: Multi-Shutter Damper;
Brand: TRUaire Mfg #: 560M
Catalog Pg.: 892 View Similar Items
Square Ceiling Directional Diffuser L71-880
Square Ceiling Directional Diffuser
Size (W x H): 20" x 20"; Description: Multi-Shutter Damper;
Brand: TRUaire Mfg #: 560M
Catalog Pg.: 892 View Similar Items
Square Ceiling Directional Diffuser L72-171
Square Ceiling Directional Diffuser
Size (W x H): 12" x 12"; Description: Multi-Shutter Damper;
Brand: TRUaire Mfg #: 560M
View Similar Items
Egg Crate Louvers – Air Return Diffusers 2'x4'X1/2" L98-713
Egg Crate Louvers – Air Return Diffusers 2'x4'X1/2"
Description: 650-100; Size: 2' x 4' x 1/2";
Brand: Diversitech Mfg #: 650-100
Catalog Pg.: 880 View Similar Items
Egg Crate Louvers – Air Return Diffusers 2'x2'x1/2" L98-712
Egg Crate Louvers – Air Return Diffusers 2'x2'x1/2"
Description: 650-300; Size: 2' x 2' x 1/2";
Brand: Diversitech Mfg #: 650-300
Catalog Pg.: 880 View Similar Items
Diffuser and Dampers L70-396
Diffuser and Dampers
Size: 6";
Brand: TRUaire Mfg #: 800X06
Catalog Pg.: 893 View Similar Items
Diffuser and Dampers L70-397
Diffuser and Dampers
Size: 8";
Brand: TRUaire Mfg #: 800X08
Catalog Pg.: 893 View Similar Items
Diffuser and Dampers L70-398
Diffuser and Dampers
Size: 10";
Brand: TRUaire Mfg #: 800X10
Catalog Pg.: 893 View Similar Items
Diffuser and Dampers L70-399
Diffuser and Dampers
Size: 12";
Brand: TRUaire Mfg #: 800X12
Catalog Pg.: 893 View Similar Items
Diffuser and Dampers L70-400
Diffuser and Dampers
Size: 14";
Brand: TRUaire Mfg #: 800X14
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser L70-613
Round Ceiling Diffuser
Size: 18";
Brand: TRUaire Mfg #: 800X18
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L72-024
Round Ceiling Diffuser Accessories
Size: 6"; Description: Butterfly Damper w/Ring;
Brand: TRUaire Mfg #: 801-06
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L72-025
Round Ceiling Diffuser Accessories
Size: 8"; Description: Butterfly Damper w/Ring;
Brand: TRUaire Mfg #: 801-08
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L70-614
Round Ceiling Diffuser Accessories
Size: 10"; Description: Butterfly Damper w/Ring;
Brand: TRUaire Mfg #: 801-10
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L72-026
Round Ceiling Diffuser Accessories
Size: 12"; Description: Butterfly Damper w/Ring;
Brand: TRUaire Mfg #: 801-12
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L72-027
Round Ceiling Diffuser Accessories
Size: 14"; Description: Butterfly Damper w/Ring;
Brand: TRUaire Mfg #: 801-14
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L72-028
Round Ceiling Diffuser Accessories
Size: 18"; Description: Butterfly Damper w/Ring;
Brand: TRUaire Mfg #: 801-18
Catalog Pg.: 893 View Similar Items
Round Ceiling Diffuser Accessories L70-401
Round Ceiling Diffuser Accessories
Size: 6"; Description: Butterfly Damper;
Brand: TRUaire Mfg #: 802-06
Catalog Pg.: 893 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare