11 FILTERS FOR DRINKING WATER; WATER FILTERING APPARATUS; WATER PURIFICATION AND FILTRATION APPARATUS; WATER PURIFICATION MACHINES; WATER PURIFICATION UNITS; WATER TREATMENT EQUIPMENT, NAMELY, WATER FILTRATION UNITS; WATER TREATMENT EQUIPMENT, NAMELY, CARTRIDGE FILTRATION UNITS; APPARATUS FOR DISINFECTING WATER; APPARATUS FOR FILTERING DRINKING WATER; TAP-WATER PURIFYING APPARATUS; WATER FILTERS; WATER PURIFIERS; WATER PURIFIERS FOR HOUSEHOLD PURPOSES; WATER PURIFYING APPARATUS; WATER PURIFYING APPARATUS AND MACHINES