Fight seasonal allergies with this Vornado AQS500 Whole Room Air Purifier, reduced from $149.99 to $79.99 at Linens-N-Things.com. With free shipping that's the lowest price we found by $20. This air filter removes pollen, pet dander, bacteria, mold spores, dust mite debris and smoke particles. It has LED lights to inform you of settings and the need for a filter change, three speed options, and a timer. There is no sales tax (except CA and NY).