BrassCraft Speedi Plumb Plus 3/8 in. compression inlet x 7/8 in. ballcock nut outlet x 9 in. of length flexible braided polymer toilet 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 resistance 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. Connection to toilet features hand-tighten wing-nut for quick and easy installation.