BlueBala 38" x 83" Fiberglass Magnetic Screen Door $15 at Amazon (opens in new tab)
Prime members only. Amazon has the BlueBala 38" x 83" Fiberglass Magnetic Screen Door on sale for $21 - with free shipping on $35 - 30% off with coupon code KFW3UXYO at checkout = $15 with free shipping. The coupon code works on the other sizes on the page as well.
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