IAF Replacement Air Filter Element, 1/4 HP Rotary VaneProduct Code: IAF25F
IAF series filters have a protective metal screen over the filter element.
The IAF25F is a replacement filter for some 1/4 HP Rotary Vane compressors and the IAF38F is the replacement filter for some 3/4 and 1 HP Rotary Vane compressors.
Please note that Rotary Vane Compressors have been sold with IAF filters and with the plain cork AC393. If it has protective metal, then it is the IAF Filter.