RiteLube AIR-OPERATED OIL PUMP Pressure Ratio：1:1

This product is a light, efficient, double-acting pump with a differential air motor for smooth operation. It comes with an adjustable 2-inch bung adapter and is made of carbon steel for handling typical fluids and stainless steel for additional low to moderately viscous liquids.

• The description claims the pump is light and efficient.
• The description claims the pump has a differential air motor for smooth pumping.
• The description claims the pump is made of carbon steel for handling typical fluids and stainless steel for additional low to moderately viscous liquids.