Diffusers and Fittings

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

RectorSeal® AirTec Round Small Ceiling Diffuser with Round Grille, 55 - 200 cfm, 7-1/4 Inch Ceiling Mount

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

RectorSeal® AirTec Ceiling Diffuser, 55 - 350 cfm, 8 Inch H x 8 Inch W Duct, 9-1/4 Inch Ceiling Mount, Antique White

Hart & Cooley RENPS Perforated Supply Diffuser with Fiberglass Insulated Back, 20 Inch H x 20 Inch W Duct

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

Hart & Cooley RENP Perforated Return Diffuser with R4.2 Molded Insulation, 24 Inch x 24'Inch, Ceiling Mount

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

Hart & Cooley FPD 4-Way Fixed Pattern T-Bar Diffuser with 8 Inch Collar, 140 - 560 cfm, Steel, Ceiling 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, 8 Inch, Steel, 1/4 Inch T, 1-31/32 Inch D

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