Do it 3/8 x 7/8 Nut x 12 in. Toilet Connector features a durable vinyl supply tube designed for reliable performance. It has a 3/8" compression fitting for the supply valve and a 7/8" ballcock connection, making it i for toilet hook-ups. This flexible connector includes solid brass inserts and is constructed with two layers of specially formulated NSF and FDA polymer, reinforced with tough polyester braiding for a kink-, flexible tube that ensures ample water flow. The connector is complete and ready to use, requiring no washers, rings, inserts, or sleeves. Its unique flexibility prevents crimping or water blockage, while the polyester-braid reinforced PVC exterior provides extra long life. The interior lining is a nontoxic synthetic polymer that safely withstands water temperatures ranging from 5°F to 230°F and is FDA for safe drinking water. Color-coded flag labels make identification easy, with yellow indicating toilet hook-up. This product combines convenience, safety, and durability for modern plumbing needs. Model Number: 433578