Diffuser, Diffuser Type Diffuser Disc, Air Flow Rate (Maximum) 10 scfm, Air Flow Rate (Minimum) 2 scfm, Active Surface Area 32 sq in, Compatible Intake Pipe Size 3/8 in, Minimum Depth Required 6 in, Bubble Type Medium, Bubble Size 6 to 10 mm, Number of Air Tubing Rolls 0, Number of Compressors 1, Discharge Type Disc, Active Membrane Diameter 5 in, Active Membrane Material EPDM, Air Tubing Diameter 3/8 in, Compatible with Media Type Wastewater, Oxygen, Filtered Water