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 with air tight design that eliminates the need for tedious mastic and external sealers, making diffuser installation no longer a two man job, Choose from five grille styles to deliver optimum air flow and movement pattern for any room.

• 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