Diffusers and Fittings

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

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

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

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

Hart & Cooley 462 Baseboard Diffuser, 55 - 150 cfm, 4-1/2 Inch H x 2 ft W Duct, Steel, Bright White Enamel

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, Golden Sand Enamel

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

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, 10 Inch, Steel, 1/4 Inch T, 1-31/32 Inch D

Hart & Cooley 16 Round Ceiling Diffuser, 150 - 500 cfm 12 Inch, Steel, 1 Inch Blade Spacing, 3/16 Inch Mount

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