The 24X351 Polypropylene Center Section Kit from Graco that include:

R1 3 ⁄8"M solid x 3 ⁄8"M swivel

SJOOW-A Neoprene 300V medium duty

size 1 & 5 spray heads

black anodized aluminum crankcase

Graco G15B21 Merkur Bellows 15:1 Ratio Pump Package with U-Cup Seal, Cart Mount, Fluid Filter Water Application The 24X351 Polypropylene Center SectionGracos 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