The paint hose connector attaches 2 lengths of airless hose together making it easier to spray your project. A longer hose length makes it possible to reach peaks, vaults or second story areas easily. Reduce the number of trips up and down the ladder to move the sprayer closer to your project. 1/4 In. x 1/4 In. Size: 1/4 In. Type: Pressure Rating: 3000 psi Will be: WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov. -