Fluidmaster B1T20CS Click Seal Connector, Braided Stainless Steel - 3/8" Female Compression Thread x 7/8" Female Ballcock Thread, 20" Length
Fluid master toilet water supply connectors are built to last. Made of a tough polymer core covered with braided stainless steel wire, these connectors exceed every code requirement in the book for durability. They also have a large inside diameter for higher flow capacity.