This Fluidmaster B1T20CSC Click Seal 3/8” x 7/8” x 20” Toilet Connector is quick and easy replacement for your toilet supply line. Quickly upgrade your old or leaking connector with flexibility that won’t kink or crease during installation even in tight spaces. This toilet supply line fits standard 3/8” Compression x 7/8” Ballcock connections. Replacing couldn’t be easier with no tools required. Simple twist, click, and seal, the click lets you know it’s sealed. Braided stainless steel construction for durability and flexibility and featuring a 5 year warranty. Lead free and meeting all code requirements. For a simple and easy replacement of your toilet supply line trust Fluidmasters CLICK SEAL technology.