PEX Coil Pipe, White, 1/2-In. Rigid Copper Tube Size x 100-Ft.1 2" rigid copper tube size x 100', white, pex coil, for hot cold water, use with 1 2" quick connect & brass pex insert fittings, w type b burst pex pipe rated 1100 psi at 73 degree fahrenheit, 375 psi at 180 degree fahrenheit, type b silane method pex has more anti oxidants & thermal stabilizers which is critical for chlorine ratings & recirculation systems, type a,b,c are european system designations not rating grading system for pex, do not use