Filtering units for attaching to water faucets; Filters for drinking water; Filters for fluids, namely, for water and area-water solutions; Plumbing fittings, namely, faucet filters; Water filtering apparatus; Water filtering units for domestic use; Water filters; Water filtration and purification units and replacement cartridges and filters therefor; Water filtration and purification units and replacement cartridges and filters therefor for water faucets; Water purification and filtration ap...