MV3 Ceiling Diffuser, Easy Installation, HVAC, 8x8 3 Way Register W/ 6, 7, 8 in. Neck

One-piece air diffusers with air tight design that eliminates the need for tedious mastic and external sealers. 3-way register made from durable plastic, with incorporated ceiling box. Great for home improvement applications. Patented one piece grille, damper box and lightning fast installation. 3-way register is designed for 1-man installation only working below the ceiling, they offer convenience and speed. Virtually air tight butterfly damper rubber gasket delivers superior seal when closed. High grade polymer grille resists breakage, scratching, yellowing and fading. MV3 model 3-way one piece register with ceiling box; 8X8 register with stepped 6,7, and 8 in. neck; mounting clip accommodates thicknesses up to 11/4 in.; damper handle allows smooth, easy turning adjustment from below for fully open to tightly closed position. For residential/light commercial use and offered in 8 in.x 8 in. square, 6x6 in. square, & 6 in. and 8 in. round. FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning HVAC/R, plumbing, electrical, and construction markets.