Cognito Moto Crankcase Breather Filter CNC-machined from billet aluminum, this compact breather filter is designed with a 9/16-18 tapped hole, allowing installation with any -6 AN fitting or adapter. It can be mounted to a hose or directly to a tube, providing a wide range of mounting options. The filter features a UNI element sandwiched between internal and external wire mesh grills, available in stainless or bronze. The unit is fully rebuildable so the filter element can be cleaned or replaced when needed. (AN fittings not included — shown in photos for reference only.) Specs: CNC machined from billet aluminum 9/16-18 threaded mounting hole Compatible with -6 AN fittings or adapters 2" diameter x 1-3/4" length Available with stainless or bronze mesh Rebuildable UNI filter element