1'x1' White Plastic 2-way grille/damper/box, MV4, #81914 Actual Outside Dimensions Of Faceplate is 11-3/8" x 11-3/8” square. 4 way Throw. Produced by Rectorseal, Airtec brand, Unique plastic ceiling diffuser which incorporates an integral ceiling box. Intended for residential and light commercial applications. They provide maximum convenience and time-saving as they are designed for easy installation by one man only working from below the ceiling. Included is a built-in Air Damper to restrict airflow when desired. Zip Tie Included. Used for a 6",7" or 8" duct. MPN: 81912 Features 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 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. Product Videos Downloads & Spec Sheets Airtec Cutaway View Airtec Spec Sheet Airtec Key Features & Benefits Airtec Airflow Airtec install instructions ALL RectorSeal/Airtec Products Airtec 16 page brochure
