Diffusers and Fittings

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 FPD 4-Way Fixed Pattern T-Bar Diffuser with 8 Inch Collar, 140 - 560 cfm, Steel, Ceiling Mount

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

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

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

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

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

Hart & Cooley 126 Round Butterfly Damper, 6 Inch, For Use with No 16 Diffuser, Cold Rolled Steel, 7-1/2 Inch dia

Hart & Cooley FPD 4-Way Fixed Pattern T-Bar Diffuser with 10 Inch Collar, 220 - 870 cfm, Steel, Ceiling Mount

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