Marketing InformationBrassCraft® Speedi Plumb® PLUS 3/8 in compression inlet x 7/8 in ballcock nut outlet flexible braided polymer water connector is corrosion-resistant inside and out. Used to connect the water supply to your toilet, this connector features a high-tenacity, multi-filament yarn, protected by a special polymer-coating for optimum corrosion-resistant and durability. on-the inside, our tough PVC tubing resists attack by chlorine, chloramines and other corrosive elements. The braided polymer fibers are designed to bend freely without kinking or crimping.