In accordance with newly instituted NSF 61 certification for the state, California Waterworks Standards now require certification for all drinking water treatment and distribution products. John Guest’s JG Push-In Fittings have complied with the standard for many years. A full listing of approved products are available at http://www.NSF.org. Call or email to receive a copy of the company’s NSF 61 Approved Product catalog.(800) 94-JG USAinfo@jgusa.com