Watts Premier 560372 18-Inch Flexible Water Softener Connector with 1-Inch CTS by 1-Inch Quick Connect, 2-Pack Extruded from PVC tubing and over braided with number 304 stainless steel wire for additional strength^Certifications include NSF Standard 61 listing and IAPMO approvals^Maximum temperature 180 F (82 C)^Maximum pressure 125 PSI (8.6 BAR)^Lead Free