Home Revolution Replacement Cassette Filter, Fits Winix P150 and WAC9300 and Part 114090 Designed to fit: Winix P150 and WAC9300 air purifier models, compare to Winix part # 114090 Replace with confidence: We back all of our products with a 100% satisfaction guarantee Breathe easy: Genuine Casette filter removes even the smallest particles of allergens, impurities, and odors from the air and refreshes your home The Home Revolution Mantra: High-quality replacement products at a low price What you get: 1 Cassette air purifier filters