• Best Buy Deal of the Day offers Winix - Replacement Filter Set for Winix P300, 5300, 5500, 6300 and U300 Air Cleaners - Black/White for $51.99 with $28 off.
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Replace the filters in your Winix P300, 5300, 5500, 6300 or U300 air cleaner for up to 1 year with this Winix 115115 set, which contains a True HEPA filter and 4 carbon prefilters to trap both large and small particles, odors and other allergens.