Crucial Vacuum 6 Efficiency Allergen Filtration Cloth Bags Fits All Kirby Generations, G3, G4, G5, G6, Ultimate G, Sentria, Diamond Edition, Replaces Kirby Vacuum Part # 204803, 205803 6 Kirby Generation Bags Designed & Engineered by Crucial Vacuum Compare to Part # 204803 & 205803