Our GASC line of fine pore diffusers provide an economical, long lasting solution for oxygen and ozone introduction. These made in the USA diffusers are constructed from 100% glass-bonded silica. A finer pore size results in a bubble between 0.5 and 2 mm. When sizing air pumps, be sure to account for the resistance of the diffuser, which adds an equivalent of 20" of water depth. Please Note: These are not intended for Oxygen or Ozone use. If you would like to use oxygen or ozone please see our page "Fine pore diffusers for Oxygen and Ozone". These feature stronger construction and different fittings to handle the pressure and corrosive properties of these gasses.
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