This one really circulates your pond or lake! We've searched far and wide to come up with a rubber membrane diffuser that can generate a ton of air! What's even better is that this is a low psi design, which means your windmill or electric aerator doesn't have to struggle to open up the perforated slits like it would with some rubber membranes on the market.
Available in Two Formats - Single 9" Disc or Dual 9" Discs
Single Disc: This 9" membrane is used in the water treatment industry to really move the water through it's precision perforated slits. Unit comes with a backflow valve and 1/2" fittings to plug into your 1/2" airline. Rated for up to 5 CFM and perfect for lakes or ponds, especially where you're only running one diffuser.
Dual Disc: This 2 x 9" membrane is used in the water treatment industry to really move the water through it's precision perforated slits. Unit comes with a backflow valve and 1/2" fittings to plug into your 1/2" airline. Rated for up to 8.5 CFM and perfect for lakes or ponds, especially where you're only running one diffuser.
This diffuser also comes with a base that can be filled with sand or gravel so it sinks to the bottom of your pond and Riser Tubes to further elevate your diffusers for maximum lift and circulation.
This synergistic diffuser assemby has some of the smallest and finest bubbles available in any diffuser means that you get the most lifting of water column towards the surface and less pressure loss during operation. These diffuser assemblies require less PSI and so are perfect for linear air pumps in most ponds! Can also be used with rotary vane compressors, rotary screw pumps and high pressure blowers or piston compressors for a simple and easy aeration system.