Great LakesŪ 4-Diffuser ManifoldTypically 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. Note: Diffusers are also known as airstones. |
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