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12"w X 8"h 2-Way-Vertical AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75"w X 9.75"h] - - Amazon.com
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12 x 12 (in) HVAC Vent Cover - 4 WAY SUPPLY GRILLE - DUCT COVER & DIFFUSER - LOW NOISE - For Ceiling - With Opposing Damper Blades [Outer Dimensions: 15" Width, 15" Height] | Walmart Canada
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Air Intake Aluminium Ceiling Supply Grille Adjustable Air Vent Wall Grille - China Air Grille and Ventilation Air Grille
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