The Makita® Anti-Static Hose is designed to prevent static shock. The anti-static design also prevents the buildup of dust for more efficient dust extraction. Made of high quality materials for added durability and long life. The convenient length and diameter is optimal for dust extraction when used with the Makita 36V (18V X2) LXT® Brushless 1.6 Gallon HEPA Filter Backpack Dry Vacuum (XCV17, sold separately).