The robust vacuum pump CRVpro 4 belongs to the new two-stage rotary vane pump generation from Welch. These sturdy vacuum pumps offer a long service life, reliability and low maintenance. The CRVpro 4 is the perfect partner for freeze dryer, Schlenk lines and industrial applications. This package solution consists of a CRVpro 4 rotary vane pump with all accessories for connection eg to a freeze drier. Scope of delivery: CRVpro 4, oil mist separator AKD 16, 2-way valve, hose hose DN16KF-10/8, vacuum hose (1,5m), oil change set.