Kirby Generation Series EnviroCare Micro-Filtration Vacuum Bags with dust seal and closure. Aftermarket Replacement. Fits Kirby G3, G4, G5 & G6 Self-Propelled Upright Series. Sug Retail $39.99 {This site is neither endorsed, nor sponsored by, nor affiliated with The Scott Fetzer Co. The marks Kirby, Generation, G4, G5, GSix are registered trademarks of The Scott Fetzer Co.} Buy 2 or more 18 packs and receive Free Shipping.