Diffusers and Fittings

Hart & Cooley 5400PP T-Bar Push Pin, 1-1/4 Inch Dia Head, 1-1/4 Inch L, For Use with 5400 Series Ring Collar

Hart & Cooley 672 Return Air Grille, 10 Inch W x 4 Inch H, Steel, Bright White Enamel

DiversiTech 650-300 Egg Crate Louver, 2 ft H x 2 ft W Duct, Polystyrene, 1/2 Inch Wall Opening, White

Hart & Cooley 16 Round Ceiling Diffuser, 55 - 135 cfm 6 Inch, Steel, 1 Inch Blade Spacing, 3/16 Inch Mount

Hart & Cooley 3800 Adjustable Round Butterfly Damper with Removable Handle, 6 Inch, Steel, 1/4 Inch T, 1-31/32 Inch D

Hart & Cooley 3800 Adjustable Round Butterfly Damper with Removable Handle, 8 Inch, Steel, 1/4 Inch T, 1-31/32 Inch D

DiversiTech 650-200 Egg Crate Louver, 4 ft H x 2 ft W Duct, Polystyrene, 1/2 Inch Wall Opening, White

Hart & Cooley 16 Round Ceiling Diffuser, 70 - 225 cfm 8 Inch, Steel, 1 Inch Blade Spacing, 3/16 Inch Mount

Hart & Cooley 3800 Adjustable Round Butterfly Damper with Removable Handle, 10 Inch, Steel, 1/4 Inch T, 1-31/32 Inch D

Hart & Cooley 3800 Adjustable Round Butterfly Damper with Removable Handle, 12 Inch, Steel, 1/4 Inch T, 1-31/32 Inch D

Hart & Cooley 406 Baseboard Diffuser, 4-1/2 Inch H x 18 Inch W, Steel, Bright White Enamel

Hart & Cooley 406 Baseboard Diffuser, 4-1/2 Inch H x 18 Inch W, Steel, Golden Sand Enamel