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Witforms / Square - Adjustable AC air Deflector Suitable for Central air conditioner's Square outlets. Enhance Cooling and Heating Circulation - Walmart.com
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air conditioning - Do split air conditioners like this also ventilate the room? - Home Improvement Stack Exchange
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Amazon.com: Central AC Air Flow Deflector Prevent The Cold Air from Blowing Straight, Angle Adjustable, Helps Cooling/Heating Air Circulation, for Commercial Office (Color : 1pcs, Size : 40x20cm) : Home & Kitchen
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