Aquarium filtration apparatus; Filters for drinking water; Membrane filters for water filtering apparatus; Membrane filtration units for water treatment apparatus; Membranes for reverse osmosis units; Purification installations for sewage; Reverse osmosis membrane filters for water treatment; Sea water desalination plants; Sewage treatment plants; Water filtering apparatus; Water purification installations; Water purifying apparatus and machines; Water sterilizers

Desalination units, water filtering devices, namely, water purification installations for waste water and sewage consisting of filtering material and textile fabrics, waste water purification units, water purification units, filters made of fiber for water filtration, water filters, sewage disposal plants, sewage treatment plants, sterilizers not for medical purposes, filtering units for water filtering and producing potable water for domestic use and flow restrictors for reverse osmosis wate...