HD

Installations for aerating water as well as parts thereof, namely, waste water treatment tanks, waste water purification apparatus, installations and tanks, water filtration units, water treatment unit for aerating and circulating water, water purification and filtration apparatus and water treatment unit for aerating and circulating water for fish farming, as well as pipes, pipe connectors and fasteners for such apparatus sold together as a unit with the apparatus; aerators, namely, diffusers used in wastewater treatment, clean water treatment and fish farming for introducing gases into fluids; elastomer components for diffusers, namely, custom made components made of polyurethane, polyester, polyvinylchloride, silicone, synthetic rubber or natural rubber or any combination of the afore-mentioned materials in the nature of structural and replacement parts for diffusers for use with water purification units; accessories for diffusers, namely, connectors and fasteners in the nature of structural and replacement parts for diffusers for use with water purification units and water aeration systems, sold together with the diffuser for use with water purification units and water aeration systems