Apparatus and installations for water supply, water distribution, water filtration, water purification and for sanitary purposes, namely, plumbing fittings in the nature of pollutant traps, sediment and liquids separator for the cleaning and purification of water, waste water and stormwater; filtration units for water treatment apparatus; water purification units for capturing and filtering stormwater and waste water; water purification units for use with storm drains; filtration systems, nam...