Pulse-Bac vacuum hoses are design for use with Pulse-Bac Vacuums. These 2 in. hoses are made for use with Pulse-Bac 1000 Series Vacuums, but can be used for other vacuuming application. This industrial grade, crush proof vacuum hoses are made for the tough conditions of the jobsite. This version is static conductive for use with static producing materials like wood.