a water cooled electric motor

500 gallons per year

The "S" version has upgraded grade valves

Great selection choice

and wand included

Graco Merkur Bellows 1500 PSI @0.8 GPM 15:1 U-Cup w/ Fluid Filter - Cart Mount Piston Pump Textured Acrylics & Elastromerics Splatter a water cooled electric motorGracos Merkur bellows piston pumps provide low maintenance with no seals exposed to the atmosphere. These pumps are designed to eliminate conventional throat seals, providing high reliability for moisture sensitive materials. Highest technology air motor on the market Low air consumption for increased efficiency Simple air motor design and minimal parts reduces repair time Easy to flush design allows for fast color changes and reduced material waste