SkyVac® Vacuum Head FilterSkyVac Filter System The SkyVac 27, 30, 78, 150, Sonic Atom, 85, and Interceptor models feature a highly durable wet dry filter located under the head. These filters are easy to remove with a simple twist of a knob. The Interceptor, 85, Sonic Atom, and 78 systems all use the same filter. Proper maintenance ensures long lasting performance. To clean, simply wash them out with a water hose or blow them out with an air hose. For sensitive internal high