Instant 630 Sq.ft HEPA Quiet Air Purifier

This air purifier features a HEPA-13 filter and Plasma Ion Technology for effective air cleaning. It filters up to 630 square feet per hour, refreshing a 126-square-foot area five times hourly. The device includes an auto mode that adjusts fan speed based on air quality, with a light indicator for status. Price drops from $149.99 to just $31.99. Shipping is free with Amazon Prime or is otherwise a flat $6 per order.