Electric kettles; cartridges for water filtration containing ion exchangers and/or adsorbents, especially for use in water filters, bottle, Shower, kettles, coffee machines, tea machines, espresso machines, ice-making machines, industrial coffee and tea machines, refrigerators, cooling units, cold drink dispensers, water taps for kitchens; Water treatment equipment, namely, cartridge filtration units; Water conditioning, filtering and treating apparatus for household use, namely, water softening apparatus, and parts thereof; filters for removing sediment, iron, sulfur, tastes and odors from water, and for clarification of water supplies, and parts thereof; water filters, and parts thereof for chemically treating water supply systems generally and for supplying chemicals to water supply systems; Water purification units; Water cooler with filtering and infusion apparatus; water treatment equipment, namely, cartridge filtration units; Filtration unit coupler sold as an integral component of water filtering apparatus and water treating apparatus, namely, reverse osmosis filtration units, sediment filters, and ultraviolet filtration and carbon filtration units, all for domestic use; Water softening units; Water softener resin tanks; Water conditioning, filtering and treating apparatus for household, commercial, and industrial use, namely, water softening apparatus, ingredients, components, and parts thereof; air purification units; Water filtration pitchers sold empty; Installations for water supply, namely, drinking water dispensers; water filtration replacement cartridges for use in refrigerators, ice makers, under-sink water filtration units, whole-home water filtration units and reverse osmosis water filtration units; Electric air deodorizing apparatus; Flexible pipes being parts of sink plumbing installations; mixer taps for water pipes; gas scrubbing apparatus; Cooling installations for water; air filtering installations; pressure water tank