RectorSeal 8 in. x 8 in. Diffuser 4-Way Grille

A plastic ceiling diffuser with incorporated ceiling box. For residential/light commercial use and offered in 8x 8 square, 6x6 square, and 6 and 8 round. Designed for 1-man installation only working below the ceiling, they offer convenience and speed. 1-piece air diffusers simulate look/feel of reproduction cast iron grille without high cost and weight, Simulated cast iron texture is scratch and rust resistant, Offers same advanced technology and labor saving installation time as the standard Airtec line.|Stepped collar for multiple duct sizes, collar tabs easily tear away unneeded sections and mounting clip accommodates thicknesses up to 1 in.|Virtually air tight butterfly damper rubber gasket delivers superior seal when closed|Damper handle allows smooth, easy turning adjustment from below for fully open to tightly closed position|High grade polymer grille resists breakage, scratching, yellowing and fading|Patented 1 piece grille, damper box and lightning fast installation