Geberit 240.058.00.1 Extension Kit. Geberit takes pride in providing over 40 countries across the world with top-quality plumbing products. They also take pride in creating and manufacturing Replacement Parts that are as durable and eco-friendly as the damaged or broken parts. All Replacement Parts are backed by a 1 year Washroom and Bathroom Warranty, and a 2 year Electronic Systems Warranty. This Geberit 240.058.00.1 Extension Kit Is a Geberit Genuine Replacement Part designed for a 111.816.00.1 Wall Hung Tessera Syphonic Toilet Carrier.