Versatile pump fits a variety of sizes; works with 15, 30 and 55 gallon drums. Easy fingertip control. Easy-to-use flip top vent controls siphon flow. Compatible with most cleaning solutions and corrosive chemicals. Use with thin, easily flowing chemicals. Do not use with solvents. Type: Plastic Siphon Drum Pump; Style: Push Pump; Operating Principle: Displacement; Volume per Minute: 5 gpm.