Our faucet water filters fit most round and long base faucets. Such as single-hole basin faucets, double-hole faucets, sink faucets, shower or bathtub faucets, sink faucets, kitchen faucets, etc. Does not fit square faucets, showers, and other models, please note when purchasing. It is an ideal and cost-effective water filter for temporary or emergency use. It is portable and convenient when traveling. The insertion hole of the sink strainer is made of high-quality PVC rubber, which is flexible. It only takes a few minutes to install our faucet water filter, first unscrew the connector on the faucet, then screw the filter onto the faucet, and screw on the faucet to complete the installation. PVA fiber cloth, calcium sulfite, zeolite, coconut shell activated carbon, zeolite. Suitable for purifying hard water and well water. The faucet water purifier can help you remove chlorine, heavy metals, sand, colloids, suspended solids, and other impurities in tap water at home, so that every drop of water you drink is fresh, clean, and safer. The open filter hole design helps save water. The filter holes are uniform in size, so you don't have to worry about splashing.