For individuals allergic to pollen, this filter fits between the window and windowsill of double hung windows to trap 96% of pollen while allowing the entry of fresh air into your home. The sturdy, rustproof aluminum frame holds a replaceable filter cartridge. The filter also keeps out insects, rain and wind while minimizing noise. Seven-inch high model adjusts from 20" x 36" wide; eleven-inch high model adjusts from 25" x 44" wide.
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With competitive price and timely delivery, Qicai sincerely hope to be your supplier and partner.
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Contact us to discuss your requirements of dust screen window. Our experienced sales team can help you identify the options that best suit your needs.