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4 x 8 Duct Hole] Vent Cover. 1-Way: Aluminum Curved Blade Adjustible Air Supply HVAC Ceiling Diffuser. Full Control Vert/Hor Airflow Direction with Easy Unrestricted Air Flow. [5.6 x 9.6"Face] - Amazon.com
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Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent Duct Cover (12"w X 6"h) - Amazon.com
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6 x 6 Duct Hole] Vent Cover. 4 Way: Aluminum Curved Blade Adjustable Air Supply HVAC Ceiling Diffuser. with Multi-Shutter Parallel Blade Damper, Allowing for Airflow Adjustment [7.6 x 7.6" Face] - Amazon.com
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16 x 8 Duct Hole] Aluminum Single Deflection Adjustable Air Supply HVAC Sidewall or Ceiling Vent Cover: Enhance Airflow Control with Movable Blades [17.6 x 9.6" Face]. - Amazon.com
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Amazon.com: (Discontinued by Manufacturer - 4th Gen Available) MrCool DIY 12k BTU 22 SEER Ductless Heat Pump Split System 3rd Generation - Energy Star 120V with Line Set Cover & IR Wifi
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Wingman1 Electronic Air Filter with 1-Yr Supply of Air Purifier Pads - HVAC, Heater, Air Return, Furnace Filters for House - Air Conditioner Replacement Filters - Easy Homeowner Installed - 16x25x1 - Amazon.com
