- Design to sink without adding rock or sand to your diffuser base
- Heavy gauge metal with a textured powder coat finish.
- Low psi self cleaning diffusers
- Rope holes to allow easy setting of each diffuser
- Backflow valve to prevent water entering the airline.
You can also add our optional riser tubes to elevate your rubber membranes if you have a lot of mud and muck on the bottom of your pond or lake.