3M Supplied Air Hoses are NIOSH-approved breathing grade hose with a special liner to prevent hazards like flaking and degradation.
They are extremely kink resistant.
They are also resistant to absorption of tastes and odors from chemicals in the local environment.
• Sections are equipped with male NPT fittings at both ends; these accept female NPT fittings
• High pressure hose (blue) is typically used with high pressure compressors producing pressures in the 100 psi range (max. pressure is 125 psi); lengths of 25 or 50 feet may not be combined, but 100 foot lengths of high pressure hose have beeen certified for, and may be combined, up to a maximum of 300 feet (3 sections)
• By comparison, low pressure hose (red) is typically used with air pumps producing pressures in the 17 psi range
• Note - female NPT fittings shown in the image are for illustration only, and are sold separately