Highest bursting strength available Each foot of No-Burst contains 250 of stainless steel wire Stainless ferrules are extra-long with added crimps for more security Tough, non-toxic polymer core resists chlorine and chloramines Ample inside diameter for high flow capacity Captive cone washers seal tightly, cant fall out Exceptional flexibility for fast, easy installation Wont kink or crease, even in the tightest of spaces Heavy-duty brass hex nuts are easy to grip with fingers or tools and nickel plated for durability Code approved, exceeding all plumbing code requirements