Air purifying apparatus and machines; Air purifying units for commercial use; Baths, bathtubs, whirlpool baths and bath installations; Faucets; Filtering units for water filtering; Filters, heaters and pumps sold in combination for use in indicate swimming pools or hot tubs; Hot water heaters; Pipes being parts of sanitary facilities; Plumbing fittings, namely bibbs, cocks, traps, valves; Rotisseries; Sewage purification installations; Shower heads; Swimming pool chlorinating apparatus; Swimming pool water cleaning and filtering units; Water conditioning units; Water faucet spout; Water filtering units for commercial use; Water heaters for indicate domestic, commercial or industrial use; Water purification and filtration apparatus; Water treatment equipment, namely, cartridge filtration units