29.0012. MTM Hydro Kobrajet 4000 psi 310 Degree 3/8"x100' Blue Pressure Washing Hose MTM Hydro's Kobrajet 3000 psi 310 degree max temperature Non-Marking Blue Pressure Washing Hose is ideal for use on surfaces sensitive to hose marks. Manufactured out of high quality components and assembled in the U.S. this hose is great for any pressure washing application. It's wrapped rubber exterior, 1-wire construction and thick rubber bend restrictors prevent hose gashes and ruptures. Comes with one 3/8" Male swivel end and one 3/8" Male solid end.