Rubber Membrane Air Diffuser 4" Long Tubular Rod w/ Barb
  •  Incredibly durable and long lasting
  •  Ideal for pond aeration, circulation, and destratifying applications
  •  Unlike air stones, EPMD rubber membrane diffusers are easier to clean and log lasting.
  •  Creates medium-large sized bubbles, making these diffusers considerably more clog resistant than airstones and more effective in large bodies of water.