Offer valid through October 21, 2019 or until supplies last. Good for 1 free corresponding filter for each purifier purchased.

HEPA Filter is free only when added with corresponding purifier. Other filter types and sizes cannot be redeemed. For example, if TruSens Z-3000 purifier is added to cart, the HEPA filter that fits the Z-3000 model will be free.  This promotion cannot be used with any other promotion except for free shipping. This offer is not valid for returned items. If purifier is returned within the 30 day risk free trial, the filter will also need to be returned. Otherwise you will be charged for the filter.

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Free ground shipping on all orders. No minimum purchase required.