Diffusers and Fittings

Hart & Cooley 1110 Duct Ring, 10 Inch, For Use with No 16 Steel Round Diffuser, Steel, Golden Sand Enamel

Hart & Cooley 1212 Round Butterfly Damper, 12 Inch, For Use with No 16 Diffuser, Cold Rolled Steel, 6-11/16 Inch D

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

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

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

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

Hart & Cooley FPD 4-Way Fixed Pattern T-Bar Diffuser with 12 Inch Collar, 315 -1255 cfm, Steel, Ceiling Mount

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

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

Hart & Cooley 406 Baseboard Diffuser, 4-1/2 Inch H x 15 Inch W, Steel, Bright White Enamel

Hart & Cooley FPD 4-Way Fixed Pattern T-Bar Diffuser with 6 Inch Collar, 80 - 315 cfm, Steel, Ceiling Mount