Installations for water treatment under osmotic process; ionisers for water treatment; waste water treatment apparatus; waste water treatment installations; water treatment apparatus; water treatment apparatus for water purification; appliances for water filtration (other than machines); electrostatic filters for water filtration; installations for water filtration; water filtration apparatus; water filtration installations; apparatus for waste water purification; apparatus for water purification; devices for the separation of impurities from water (purification); filter boxes for water purification; hand held portable water purification apparatus; industrial waste water purification plants; installations for water purification; ion generating water purification apparatus (ionisers); ion exchange installations; ion generating air purification apparatus (ionisers); power filters for water purification (other than machines); water purification apparatus; water purification filters; water purification installations; water purification machines; water treatment apparatus for water softening; water treatment filters; water treatment units; odour control equipment (air purifying apparatus); continuous ion exchange equipment for water treatment and resource recovery; chlorinating units (water purifying apparatus and machines); filters for water purifiers; installations for water purifying; water purifying apparatus and machines; water purifying installations; water purifying machines; water purifying or treatment apparatus, installations and machines, utilizing magnets; water softener equipment; ion exchange columns; water treatment equipment; waste water equipment; apparatus for the chlorination of waste water; installations for the purification of waste water; installations for the recycling (purification) of waste water; installations for the treatment of industrial waste water; installations for waste water engineering; biological control equipment being for the control and/or removal of biological waste matter including for the control and/or removal of odour including in wastewater systems; purification installations for sewage; purification installations for waste material; parts, fittings and accessories for all the foregoing goods