Heavy Duty Pressure Cleaning Hose 3/8" blue SAE 100 R1 AT, Max pressure 400 bar, SAE 100 R1 AT, Max temp 120*C Parker's 801 hose has a pressure range of 200-350 PSI, and is amongst the Push-Lok Plus multipurpose hose line which features the widest fluid compatibility, application range and size range in the industry.