Winix C909 Air Purifier for $159.99

Costco.com has the Winix C909 4-Stage Air Purifier for $159.99, with a $40 manufacturer’s savings valid through September 30, 2026. Shipping costs an additional $4.99. This deal features a significant price drop and includes advanced features like Wi-Fi control, PlasmaWave technology, and Energy Star certification. The deal is valid while supplies last and is limited to 5 per member. The $40 discount represents about 20% off the original price, making it an attractive option for a high-quality air purifier with smart capabilities.