Diffuser, 8 1/2 L x 7 W x 3 1/4 H (In.), Mixair, Mfr#: OB1

Diffuser w/ Ballast, Diffuser Type Stone Air Diffuser Kit, Air Flow Rate (Maximum) 1.1 scfm, Air Flow Rate (Minimum) 0.3 scfm, Active Surface Area 48 sq in, Compatible Intake Pipe Size 1/2 in, Minimum Depth Required 1 ft, Bubble Type Fine, Active Membrane Diameter 0.9 in, Compatible with Media Type Backyard Pond Water, Diffuser Hose Material Schedule 40/80 PVC