Diffuser/Airstone Backflow Valve Pond Dye If there is a blockage

If there is a blockage then it automatically squirts non-toxic ethanol into the air line to un-freeze any blockage that may exist in freezing temperatures

(2) Adjustable Valves

type of area and bird pressure

8' depth at up to 4 CFM

Once you’ve filled the feeder

Diffuser/Airstone Backflow Valve Pond Dye If there is a blockageBack Flow Valve for DiffusersAll diffusers regardless of whether they are ceramic, rubber membrane or other type of material should have a back flow valve to prevent water from entering your airline. If you do get water coming back up your airline it can cause compressor issues as every time your compressor has to restart, it has to first push the water out of the airline which requires extra pressure. Secondly water in your airline can freeze during