・12.5 amp power ・New guard system ・Four-stage dust intrusion seal ・COMPATIBILITY: The Bosch VAC005 Vacuum Hose is designed to fit the Bosch 3931 Vacuum Cleaner. ・EFFICIENT: Featuring a friction fit, the VAC005 vacuum hose can connect various Bosch power tools and dust extraction hood accessories to vacumm cleaners with 2-1 4” openings. ・EFFICIENT: Featuring a friction fit, the VAC005 vacuum hose can connect various Bosch power tools and dust extraction hood accessories to vacumm cleaners with 2-1 4” openings.