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Amazon.com: Lasko 20″ Weather-Shield Performance Box Fan-Features Innovative Wind Ring System for Up to 30% More Air, 20 Inch, 3720 : Home & Kitchen
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Lasko Model 3720 20" Box Fan And Holmes HAWF 2040 Window Fan In Original Boxes #10047 | Auctionninja.com
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Lasko 20 in. 3 Speeds Box Fan in Gray with Weather-Shield Design for Window Use, Energy Efficent, Carry Handle, Steel Body B20540 - The Home Depot
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