There is increased awareness of dust extraction, so get the right accessories for your Makita® 18V X2 LXT® Brushless Cordless Backpack Dry Vacuum. The Makita® Filter Dust Bag (191C26-2) is the replacement filter dust bag for Makita® 18V X2 LXT® Cordless Backpack Vacuums, models XCV17 and XCV18 (sold separately). The filters are engineered for convenient collection of dust and debris, and are manufactured with high-quality materials for added durability.