Water purification apparatus; Installations for the treatment of industrial waste water; Filter apparatus for water supply installations; Domestic water filtering apparatus; Filters for water purifiers; Swimming pool chlorinating apparatus; Aquarium filtration apparatus; Drinking fountains; Membrane filtration units for water treatment apparatus; Water filtration units

Centrifugal pumps; Diaphragm pumps for pumping liquid material; Electric pumps; Self regulating metering pumps (other than for medical use); Submersible electric pumps