Irrigation and filtration equipment and devices in this class; automatic watering installations; drippers and dripper lines, constructed wholly from polyethylene; tap nozzles, faucets, cocks and spigots; pipeline cocks and spigots; faucets for pipes; water intake apparatus; regulating accessories for water apparatus and pipes; safety accessories for water apparatus and pipes; water conduit and distribution installations; filters which form part of household, agricultural or industrial installations; water filters and filtering apparatus; filters for drinking water; filters for air conditioning and cooling towers; connectors, adaptors, fittings, parts and accessories in this class for the foregoing