Compatible Models: 2Ke2105000 Backpack Liner Compatible With Hoover C2401 And C2401010 Shoulder Vac Pro Commercial Model Vacuums And Royal Ry4000 And Ry4001 Backpack Style Vacuum Cleaners | | High-Quality Materials: The Hepa Cloth Bag Liner Is Made Of Hepa Filter Material, Which Is Not Easy To Damage And Has Better Filtering Effect. The Natural Rubber Ring Material Is Stable And Wear-Resistant, Which Greatly Prolongs The Service Life | | Easy To Install: Turn Off The Vacuum Cleaner, Open The Lid, And Take Out The Old Cloth Bag. Align The New Bag With The Installation Location To Complete The Installation | | Excellent Function: The Hepa Cloth Bag Liner Can Effectively Help Clean The Dust And Debris, Providing You With A Clean And Tidy Home Environment | | You Will Get: 1X Type Y Vacuum Bags For Hoover Upright, If You Have Any Questions During Installation Or Use, Please