MucOff - Foam Filter OilThe Muc Off Foam Filter Oil is a non chlorinated, low viscosity formula which improves class leading efficiency and increases the longevity of foam air filters and engine life for all off road weaponry. Developed to provide the highest level of engine protection, even when going full brap in the toughest of conditions. Our proprietary formulation contains polymeric additives which provide a hyper tacky surface that resists the ingress of airborne