Versatile plastic drum pump fits a variety of sizes; works with 15 30 and 55-gallon drums. Easy fingertip control. The easy-to-use screw top vent controls siphon flow. Compatible with most cleaning solutions and corrosive chemicals. Use with thin easily flowing chemicals. Do not use with solvents. Available with 2 in. IPS adaptor for steel and plastic drums or a 2 in. Buttress adaptor for plastic drums with buttress threads.