11 Air cleaning apparatus and electric sanitising apparatus; air treatment apparatus being air purifiers and air sterilisation installations; water purification units and water conditioning units, the aforesaid goods not in relation to aquariums and terrariums; sanitising apparatus; water purification installations and water conditioning installations, the aforesaid goods not in relation to aquariums and terrariums; sterilisation installations; ozonizers for sanitizing purposes; purifying apparatus, namely, air cleaning apparatus and sanitising apparatus; water purification and treatment apparatus incorporating water cleaning apparatus, the aforesaid goods, not in relation to aquariums and terrariums; equipment for ventilation and air-condition, namely, UV-Lamps and UV-Frames, plasma air purification devices, ozone-generators, carbon filters, electrostates; air filters being air filtering units, exhaust air filters, namely, air filters for ventilating exhaust fans; water filters, the aforesaid goods not in relation to aquariums and terrariums; heat regenerators being heat exchangers not being parts of machines; range hoods