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pressure relief valve and complete assembly instructions
Outside Pipe Size
but is not recommended for sidewall mount of diffusers
Width on all air stones is 1
Cylindrical Diffusers Temperature pressure relief valve and completeThese diffusers are made from fused alumina. They produce a bubble size of 1. 0 to 2. 0 mm and require a higher pressure than a medium pore diffusers. They have a molded square rubber support on each end that supports and protects them from tank bottoms and protects the tank or liner from the diffuser. They fit both 3 16 and 1 4 tubing and are 1. 2 diameter.
