The EveryDrop #2 FILTER is a high-quality water filter designed specifically for Whirlpool refrigerators. Here are the key details: Certifications: It has NSF certifications 42, 53, and 401. Contaminant Reduction: This filter effectively reduces lead, other metals, chlorine taste and odor, volatile organic compounds (VOCs), and some pesticides and pharmaceuticals. Usage: Each filter provides approximately 200 gallons of filtered water. Replacement Interval: It’s recommended to change the filter every 6 months to ensure proper contaminant removal and optimal flow rate. Compatibility: Guaranteed to work in Whirlpool, Maytag, KitchenAid, Jenn-Air, and Amana refrigerators.