Oil Mist Filter Mantle assemblies help to protect your equipment from oil for high-purity applications. These mantles can be found inside the oil mist filters and air boosters. When properly maintained, the mantle assemblies greatly increase the quality of the air supply. Whether you’re looking to replace an existing mantle or need help selecting the correct micron size, we can help. We also stock and cross, SMC, Wilkerson, Parker, Festo and others.