Helps remove allergens from the air. Reduces unpleasant odors. Captures fine particles. Maintains consistent high-performance over time. Filter size: 10" W x 6-1/2" L x 2" H. Fits Harmony series modular air purifiers, Holmes Model No. HAP615, HAP625, HAP650, HAP675, HAP675RC, HAP715, HAP725, HAP750, HAP1625, HAP1650, HAP1715, HAP1725, HAP1750, HAP8650, and GE Model No. 10633, 106643, and 106653.