Suggested Retail: $39.99. XY100T - 4 Pack 115115 HEPA Replacement Filter A Size 21 Compatible with Winix PlasmaWave Air Purifier - This package includes 4 x 115115 True HEPA Filters made of high-quality non-woven fabric with advanced filtration technology. These filters are perfect for protecting your health and that of your pets. They are compatible with Winix PlasmaWave Air Purifier models C535, 5300-2, 6300-2, 5300, 6300, C909, 9800, AM90, P300. For optimal performance, replace every 6-8 months. Model: C535 -- LOT STICKER: BB-BOX-PALLETBB409-ITEM-8ddd1e4c___LPNPMCH3394492 4 Pack 115115 HEPA Replacement Filter A Size 21 Compatible with Winix PlasmaWave Air Purifier C535 5300 53002 6300 63002 P300 AM90 C909 9800C535 Filter A -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.