Compatibility: [Style Midi Old] Compatible With Festool Mini And Midi Shop-Vacs Manufactured Before 2019. Older Model Versions, Please See Product Pictures. [Style Midi New] Compatible With Festool Cleantec Mini, Festool Midi And Ct 15 Hepa Shop Vacs Manufactured After 2019 [Style Ct 25] Compatible With The Newest And Largest Capacity Festool Ct 25 Hepa Shop Vac | | High Capacity: Each Bag Holds Over 3 Gallons (15 Litres) Of Dust And Debris For Maximum Cleanup Between Emptying. | | Cost-Efficient Solution: Reusable Vacuum Bags Can Be Used Up To 500 Times, Offering Significant Savings Compared To Traditional Disposable Bags. | | Application: Reusable Dust Bags Are Compatible With Festool Dust Extractors And Are Suitable For Extracting General Dust And Debris Like Sawdust, Chips, And General Waste. Not Suitable For Concrete Or Decorator Dust. For Dust Not Hazardous To Health. | | Durable Design: Made From Heavy-Duty Polyester Material, These Bags Can Withstand Fre.