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 $9.99 {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 9 or more and receive Free Shipping.