Fine Bubble Air Diffuser

What is the opinion of this guy. I am going to buy two and pump them with a thomas 2660 5.1 CFM average depth 6' and 50' of hose.

Thomas 2660CE54 rebuilt

Last edited by Krystofer; 08/21/17 01:05 PM.

Just an average guy trying to keep up two ponds.
Main pond 9000 sq ft with 1700 sq ft island 5.5ft avg depth
Second pond 2400 sq ft 4ft avg depth