Buy Kirby Vacuum BagsNeed to replace your Kirby vacuum bags? No problem! The Kirby Allergen Reduction Filter Bag is the most popular of all our Kirby bags. Every single one of our Kirby bags reduces common household dust, pollen and other particles. The electrostatically charged material traps particle matter after it is picked up from your floor. This keeps dirt and dust inside your Kirby vacuum bag and not in the air around your home.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 modelsFor the ultimate filtration, buy Kirby HEPA Filter Bags with MicroAllergen Plus technology!Cat and dog owners who fear their house is starting to smell like their pets should pick up Kirby Odor Fighter Filter Bags manufactured with an activated charcoal layer to help neutralize unpleasant odors!