A great alternative to air stones in many aeration applications. Hundreds of "I" slots that open as air pressure builds inside of the diffuser. Center of the membrane does not have slots and acts as a check valve when air flow stops.

 

    Rubber Membrane Air Diffuser Replacement

    $47.59Price
      • Weight: 2 lbs
      • Hundreds of "I" slots that open as air pressure builds inside of the diffuser

      • Center of the membrane does not have slots and acts as a check valve when air flow stops

      • Heavy duty membrane will last for years

      • Uniform bubble distribution with up to 3 CFM air flow

      • Diffusers have a 3/4" male thread inlet and are approximately 10-1/2" in diameter