Made in UK NSF Certified White, Polypropylone 1/4x3/8 John Guest Male Adapter - 1/4 BSPT x 3/8 Push Fit PI011202S 1/4 Tubing John Guest 3/8 In. OD X 1/4 In. NPTF Push-to-Connect Male 1/4 Inch Tubing Note: Not suitable for compressed air and vacuum applications. Acetal body with food grade EDPM O-Ring Working pressure and temperature: Max.150 psi at 70° F Max.100 psi at 150° F Quick Connect Fitting Reverse Osmosis Drinking Water Fixed Elbow Fitting, 1/4 In. Npt X 1/4 In., 2 Pack