16.5″ Air Ring Diffuser

16.5″ Air Ring Diffuser�
stainless steel rings
high quality rubber air diffuser
It is made from high-efficiency rubber with special designed pore size and its numerous pore distribution to create maxiumum fine bubbles which slowly realease into the water. The air flow is 0.45-1.1 cfm/ft (0.3-1 lpm/cm).
Durable with low start up, maintenance and replacement cost.
Air connection is 3/8″