Bosch VAC003 35mm Hose-to-1-1/4" Port Adapter
Bosch vacuum hose adapters are used to connect Bosch power tools and dust extraction hood accessories. Used on Bosch part numbers: VAC005, VAC006, VAC007, VAC008, VAC021, RZVAC1 (RotoZip) and used on Bosch models: 3912, 3915, 4412.