Introducing RTV-ADMULTI the multi stepped duct adapter from Timloc that gives provide a perfect fit to your 110mm duct or soil vent pipe. Ready for anything, it can be trimmed along its indented edges to easily configure the size according to your needs, fitting 100/110/125/150mm ducts with ease. With an outside diameter of 110mm, you can directly attach this adapter to Timloc Tile Vent spigots. For an added layer of security, you can use adjustable screw clamps, zip ties or even glue and screws them together as one strong unit.