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Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
Width on all air stones is 1
pressure relief valve and complete assembly instructions
No air shipment
but is not recommended for sidewall mount of diffusers
Cylindrical Diffusers Temperature Width on all air stonesThese 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.
US$ 26.52
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