The VOP-H pump is designed to remove oil for recovery, conversions and also to add oil to existing systems. The oil pumps universal stopped automatically adjusts to standard openings in 1, 2-1/2, and 5 gallon containers. The VOP-H is designed to pump against pressures up to 200 psi and comes with a transfer hose and fittings that attach to the bottom of the unit to pump oil from or to equipment quickly and efficiently.For use with alkyl-benzene, ester-based, polyol ester, mineral, and synthetic oils/