EasyPro Self Weighted Rubber Membrane Air Diffuser – 6" – 1/2" npt

MPN: RAD650W An EPDM Rubber Membrane Air Diffuser is incredibly strong and ideal for pond aeration, circulation, and destratisfying applications. Unlike air stones, these diffusers are easy to clean. These EPDM rubber air diffusers are solid and are ideal for pond aeration, circulation, and destratisfying applications Self-weighted design the RAD650W will sink to the pond bottom Unlike air stones these diffusers are easy to clean In testing they produce a slightly larger air bubble than air stones which translates into less oxygen transfer into the water, so for fish holding tanks, raceways, fish production ponds, etc. we recommend air stones An excellent choice for pond and water garden aeration since they produce more circulation and water movement