feed spacers as components for reverse osmosis units, water purification units and water desalination units; water treatment equipment, namely, water filtration units and reverse osmosis units; water purification, sedimentation and filtration apparatus for clarification, thickening and filtration of water, waste water and industrial water; filters made of fiber for water filtration; membrane filtration units for water treatment apparatus; feed spacers for membrane separation units as components of water filters; filtration netting and tubing for water filtration units and support netting for air, gas and fluid filtration units; netting and tubing in the nature of components for water filters; water filters; water filtering apparatus; external filtering device for use in a local containment area for removing oil and other contaminants from storm drain effluent as it exits storm water systems; pipe heating tape
Environmental Control Apparatus