The Graco 241275 BlueMax II airless sprayer hose is 3/8" x 100' and rated to a maximum pressure of 3300psi. The BlueMax II sprayer hose is standard equipment on most Graco Contractor Series sprayers. Far and away our best selling sprayer hose. Superior flexibility, durability and quality. To maximize performance, choose BlueMax II high performance airless hose. With superior flexibility and durability, BlueMax II is designed to ensure you get the best results from your airless sprayer.