12W X 12H Is The Size For The Duct Opening Measurement Only Actual Front End Outer Dimensions Are 1375 X 1375 Save Money On Your Bill - Preserve Your Hvac Unit - Highest Rate Of Air Flow Efficiency - Almost 95% Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment Never Rust - Aluminum Frame & Aluminum Cube Core Powder-Coat Finish - Smooth, Shiny, Scratch-Resistant, Beautiful Looks Like It Was Just Waxed
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Item# : SPM10130056802
Model # : 1