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Dyson.com [dyson.com] has Dyson HP02 Pure Hot + Cool Link Wi-Fi Enabled 3-in-1 Air Purifier, Heater & Fan with bonus Pure Cool Link Desk EVO Replacement Filter when ordered through chat on sale for $ 399.99. Shipping is free.
Same deal as last year, just a bit more inconvenient because you have to order through chat for the free filter.