SharkBite 1 Inch Poly Crimp Coupling, Pack of 5, PEX Pipe, PE-RT, UP020A5 Simplify your plumbing projects with the SharkBite poly crimp coupling fitting. Composed of strong and sturdy Acudel Polymer, this straight PEX fitting is perfect for connecting two pieces of same size PEX pipe together using copper crimp rings or stainless steel clamps without the need for any additional tools, glue or soldering. This coupling connector is certified for use with potable, hydronic and radiant applications. Water service coupling features a minimum working temperature of 33 degrees F at 160 psi, and a maximum working temperature of 200 degrees F at 80 psi. Features PEX CONNECTOR: Poly crimp straight coupling is perfect for connecting two pieces of same size PEX pipes together; corrosion resistant fitting certified for use with potable, hydronic, and radiant heating applications VERSATILE: SharkBite plumbing fittings are compatible with PEX and PE-RT pipes EASY TO INSTALL: Poly crimp coupling can be easily attached to same-sized PEX pipes using copper crimp rings or stainless steel clamps, with no additional tools, glue or soldering necessary DURABLE: PEX fittings are composed of strong and sturdy Acudel Polymer SPECS: Tubing coupler features a minimum working temperature of 33 degrees F at 160 psi, and a maximum working temperature of 200 degrees F at 80 psi USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.