Air Filter Element for Stratus Rocking Piston Compressors Phosphate Removers Mini Boulder

Mini Boulder

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Inside threads are 2" FPT

It is ideal for algae control in Ornamental Ponds

recommended air flow through diffuser is

Air Filter Element for Stratus Rocking Piston Compressors Phosphate Removers Mini BoulderThis air filter element is used with Stratus Rocking Piston Compressors. There was a switch over in 2013, so be sure that yours is this style rather than the former ERPA. If you are upgrading, you first need to purchase complete air filter #ERPF1. Dirty air filters are the biggest cause of compressor failure. We recommend replacing this filter every spring and fall.