Whether for filtering your automobile oil or This oil filter is the perfect solution for catching the cleaning solvents ran through your gun barrels. This filter has a 13/16"-16 thread that fits perfectly with applicable Hero Solvent Trap Adapters. Just screw this filter to the adapter, secure the adapter to the end of your barrel, and run your solvents through your barrel. After allowing vertical dry time, this filter will trap the solvents.
Outside Diameter: 3.8"