Watts P-600 Quick Connect Coupling, 1/2-Inch CTS The product is manufactured in china The product is highly durable and easy to use Easy installation and easy handling Watts quick connect products are the easiest method on the market for joining copper, CPVC, and PEX (LDPE, MDPE, HDPE) tubing Plastic quick connect coupling 1/2-Inch CTS Perfect for DIY pipe repair Approvals include FDA, ANSI/NSF-61, NSF-14, CSA B1375, ASTM F877, NSF-UP, and IAPMO ASSE 1061-2006 Rated for 250psi at 75 degrees F and 100psi at 180 degrees F