Premium filtration with odor control. Traps dirt, dust, pollen and other allergens that create odor. Activated charcoal layer helps neutralize unpleasant odors. Ideal for households with pets.Important: To maintain maximum cleaning performance, replace filter bag before dirt reaches the FULL line.Fits both F-Style and Twist-Style adaptersWorks with: G4, G5, Gsix, Ultimate G, Ultimate G Diamond, Sentria, Sentria II, and Avalir models