Double Disc 9" Rubber Membrane Diffuser with Self-Sinking Base Pond Dock Double wide: 8' x 10'

Double wide: 8' x 10' (qty 2 dock tops

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Double Disc 9" Rubber Membrane Diffuser with Self-Sinking Base Pond Dock Double wide: 8' x 10'DUAL 9" RUBBER DISC MEMBRANE DIFFUSER WITH SELF SINKING BASE Designed to sink without adding rock or sand to your diffuser base Heavy gauge metal with textured powder coat finish. Low psi self cleaning diffusers Rope holes to allow easy setting of 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.