Replacement Filter Element for (#2) Canister
Air Compressor Air Filters
Found under the following brands:
Master Tool Repair
3" diameter, 1 3/8" height. Replace every 3-4 months if air compressor is used frequently. A dirty filter can cause damage to the pump's valves, clog your check valve and reduce the CFM output of the compressor. Always keep an extra handy!
2 - Micron Element