Air Filter Element for Stratus Rocking Piston Compressors Phosphate Removers Skimmer or AquaFalls # into

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Approximate 2 lb Output on 10 second feeding:

Polyethylene underlay keep diffusers from settling into the muck and prevents sediment erosion during operation

but without the air diffuser

Inside threads are 2" FPT

Air Filter Element for Stratus Rocking Piston Compressors Phosphate Removers Skimmer or AquaFalls # intoThis 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.