Airtec 1'x1' White Plastic Square Standard 4-way grille/damper/box, MV4 with collar sizes 6,7,8". Previous item # MV4, new MPN 81914.
A plastic ceiling diffuser with an incorporated ceiling box with built-in damper. For residential/light commercial use. Designed for 1-man installation only working below the ceiling, they offer convenience & speed. Airtec 1'x1' White Plastic 4-way grille/damper/box, MV4
Stepped Collar for multiple duct sizes, Collar tabs easily tear away unneeded sections and Mounting Clip accommodates thicknesses up to 1-1/4"
Virtually airtight butterfly damper Rubber gasket delivers superior seal when closed
Actual Outside Dimensions of Faceplate= 11.25" x11.25"
Damper Handle allows smooth, easy turning adjustment from below for fully open to the tightly closed position
High-Grade Polymer Grille resists breakage, scratching, yellowing and fading.
Patented one-piece grille, damper box, and Lightning-fast installation.