BlueMax II Airless Hose, 1/4 in x 50 ftThis Graco 1 4" x 50' hose comes with 3300 PSI rating and is used for Paints, Primers and Coatings. BlueMax II 3300 psi Color: Blue For Use With Graco spray guns and airless paint hose Hose Diameter (in): 1 4 Hose Length (ft): 50 Hose Length (in): 600 Inside Diameter (in): 1 4 Maximum Working Pressure (MPa): 22. 7 Maximum Working Pressure (psi): 3300 Type: Coupled Hose