BITV12 3/8 X 7/8 12" CONN.TOILET | Exceptionally flexible, high strength, reinforced vinyl jacket. Extra-long stainless ferrules with radial crimp for more security. Non-toxic core resists chlorine and chloramines. Tightly sealed captive cone washers. Easy to grip, heavy-duty, nickel-plated, brass hex nuts. Meets IAPMO standard, SBCCI, CSA, NSF-61-9, A112.18.6 and UPC.