Air Filter Replacement Cartridge For Airmax/Kasco/Easy Pro

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**This filter now comes in two sizes.  You may want to measure your current filter to ensure you get the right one for your needs.**

The smaller size (with a 2" bottom diameter - ERPF12E) is commonly used in several brands and models of aeration pumps. This air filter replacement cartridge fits the following aeration pumps. Kasco 1/4 HP, 1/2 HP, and 3/4 HP compressors.  Airmax 1/4 HP, and 1/2 HP.  Easy Pro ERC 1/4 HP, 1/2 HP, 3/4 HP compressors.

Note: Easy Pro SRC compressors use a different filter (model GAFE) It's important to replace this filter regularly to insure that your aeration pump is performing at it's best.  

The larger of the two filters (with a 2.5" bottom diameter - 771018) is used in the Kasco 3/4 HP compressor, and all Kasco cabineted systems, regardless of the pump size,  beginning in June 2020.  These use the new air intake system with a built in replacement indicator, and the filter is not attached directly to the pump.