Coupling with Flair-It connections on both ends. 3/8" and 1/2" fittings will fit PEX or polybutylene tubing. 3/4" fittings will fit PEX tubing only, to use on polybutylene use adapter model No. 26790.
5/8 Comp Nut
7/8 Comp Nut
1/2 Comp Nut