PREMIUM QUALITY: Waterdrop filters are of premium quality, dedicated to improving water quality.
KEEP WATER FRESH: To keep your water fresh, replace your filter every 6 months or 2,000 gallons, whichever comes first will vary based on water condition.
COST-EFFECTIVE CHOICE: Enjoy crisp water with reasonable price.
REPLACEMENT MODEL: 3M Filtrete 3US-AF01 Filter Cartridge; Fits 3US-AS01 Advanced Faucet Water Filtration Systems.. Waterdrop is an independent brand. This filter is not an original product.
100% SATISFACTION GUARANTEED: We care about you and want you to drink clean water. If you have any issue about the product, please let us know. We have a professional customer service team and will take care of it right now.