With the use of a suction lance, barrel pumps as well as bypass filter systems can be connected to hydraulic tanks and substances can be removed very easily and directly from the bottom. The simultaneous use of a GIEBEL adsorber dries the downstream air and protects the system from humidity. Available with a BSP 2″ thread for 216.5 liter drums and according to DIN24557 for hydraulic tanks, the suction lance is resistant to numerous substances.