Great Lakes® Synergistic Airlift Diffusers
Self-weighted and include plastic underlay that prevents erosion.
ALA4GLB is typically used where the depth is less than 8' or in smaller ponds with smaller compressors. It requires 1.5 to 2.4 cfm. S1 underlay (included) prevents sediment erosion and suspension. Outlet 1/2" male barb fitting and 4 ALR23M Sweetwater® diffusers also included.
ALA8GL is the MOAD ("Mother of All Diffusers"). Use this for the really deep lakes. Requires 6–10 cfm and it has a 5/8" hose barb inlet. Incldues 8 ALR23M Sweetwater® diffusers.
ALP4 is perfect for small backyard ponds or koi pools, where circulation and aeration are important. It requires 1.2 cfm. It has a 3/8" hose barb inlet.