Brand new never used bought wrong product Check your previous filter number to confirm compatibility with your refrigerator Every drop Filter 2 is the only filter approved by: Whirlpool, Maytag, Amana, KitchenAid and Jenn Air brands. For clean, fresh tasting water, replace your Whirlpool Water Filter every 6 months Certified to reduce 99% of lead, offering superior contaminant reduction for you and your family. Reduces 28 contaminants including lead, pesticides, pharmaceuticals, and waterborne parasites (NSF 401, 53 and 42 certified). brand new never used bought wrong product