The Simpson 5/16" x 50' Cold Water Pressure Washer Hose with MorFlex technology (40226) is designed to be highly flexible and kink resistant. Our MorFlex series hose has a polyurethane outer jacket that's non-marring and abrasion-resistant for improved durability; the 4-inch bend protectors on each end of the hose help extend the life of the hose. MorFlex is a cold water hose that is equipped with industry standard M22 threaded connections with a dual o-ring design to fit most gas and electric pressure washers up to 3700 PSI.