Fluidmaster Fits-All B4T20U Toilet Connector, 3/8 in Inlet, Compression Inlet, 7/8 in Outlet, Ballcock Outlet, 20 in L

High bursting strength, each foot of no-burst contains 250 ft of stainless steel wire. Stainless ferrules are extra-long with added crimps for added security. Non-toxic polymer core resists chlorine and chloramines. Captive cone washers seal tightly. Exceptionally flexible for fast easy installation. Won't kink or crease in the tightest of spaces. Easy-to-grip, nickel-plated brass hex nuts. Exceeds all plumbing code requirements. Meets IAPMO standard, PS74-95, CSA, SBCCI, FDA, NSF-61, A112.18.6 and UPC. fits all connector fits four shut-off valve sizes - 3/8, 7/16, 1/2 in male compression and 1/2 in male iron pipe.