Empire Lube Piston pumps are used in a variety of spraying, pressure cleaning, and hydrostatic testing applications. we’re happy to offer the “Big Twin” Hypro piston pump for sale that’s perfect for the high-pressure washers used in an assortment of agricultural and industrial cleaning projects. We also carry “Small Twin” Hypro Buy piston pumps Online that are ideal for a wide range of fluid handling tasks involving water and general-use or non-abrasive chemicals. The Small Twin comes in hollow and solid shaft versions.