Floating Diffuser FD-9

Product Highlights:  High efficiency -- fine bubble diffuser with low back pressure Precise -- contoured diffuser plate designed for the membrane (automatic closes the fine openings when no air flow - no blockage or maintenance needed) Built-in check valve -- the diffuser plate will shut off water back flow Unique -- Advanced Floating design (patent pending) adjustable to preferred depth underwater without disturbing balanced ecosystem Adjustable -- requires local available weight (rock or concrete) inside Nylon net to anchor the device Compatible -- suited for both fresh and salt water usage Non-corrosion -- Stainless steel base with brass connector Product Includes:  One 3/8" hose barb One air hose clamp One 9 inch diffuser 10 feet nylon rope One nylon net