18"w X 12"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 19.75" Width X 13.75" Height - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE HIGH QUALITY Solid Stamped Steel Construction With Recessed Screw Holes (SCREWS INCLUDED) To Easily Install On Ceiling Or Sidewall QUALITY PACKAGING - Carefully Shrink Wrapped With Solid Cardboard Backing To Prevent Damage In Shipment - Hand Inspected for Quality HEAVY STEEL CONSTRUCTION - No Scuff Powder Coat Finish - Smooth, Shiny, Scratch-Resistant, Beautiful. Looks Like It Was Just Waxed UNRESTRICTED AIRFLOW For Your HVAC System - 50° Angled To Provide Maximum Airflow – ½ Inch Spaced Fins
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Item# : SPM13631923217
Model # : 170 18X12