ZVac 15Pk Compatible Paper Vacuum Bags Replacement for Kirby Vacuum Bags. Fits All Kirby Generations G3,G4,G5,G6,Ultimate G,Sentria (Prior 2009). Replaces Parts# 204803, 205803 PREMIUM PRODUCT: 15-Packs of generic vacuum bags Replacement for OEM Kirby Vacuum Bags by ZVac. Generic Vacuum Bags Replaces OEM Part Numbers: 204803, 205803. Made to Fit all Kirby Generations G3, G4, G5, G6, Ultimate G, Sentria (Before 2009) Removes allergens and dust from the air, helping to relieve allergies and asthma Please note: This is not an OEM product and is not covered under any manufacturer's warranty.