Blueair Blue Pure 311 Genuine Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 311 Air Purifier (Non-Auto)

If you're not satisfied with your purchase for any reason, our return policy allows you to send back returns-eligible merchandise within 30 days of the date you received the package for an exchange. Simply use the Q Return Label within 30 days of receipt to return your item for a free replacement of the same item in a different color or size. If your request for an exchange results in any additional merchandise or shipping costs, and you paid by credit card, your credit card will be charged for those additional costs. Payment methods other than a credit card may result in an order cancellation & a refund may be issued. If the requested exchange is no longer available, including items on the waitlist and advance order, we will issue a refund and not deduct the Q Return Label fee.