9 Inch Sl Fine Bubble Disc Diffuser With EPDM Membrane

Based on the number of diffusers sold and customers experience, this is the most reliable type of diffusers. Thousands of plants with EPDM disc diffusers prove that when well maintained and operated EPDM disc diffusers can run more than 10 years. Retainer ring can be removed to check or remove the membrane. Like all WTE disc diffusers even these too are made in Italy. The threaded connection is an NPT 3/4″ M. Membrane perforations are available in three sizes 1-1, 1.5-1,5 and 2.0-2.5 mm.