The Geberit 152.438.46.1
 is an extended WC connection set designed for use with Geberit Duofix frames and wall-hung toilets. This set is used to create a secure and extended connection between the wall-hung WC pan and the in-wall concealed cistern's flush and waste pipes. 
Key Features and Specifications
Type: Extended WC (Water Closet) connection set.
Compatibility: Designed for Geberit Duofix installation frames and wall-hung WCs.
Length: Extended length of 26.5 cm (approx. 10.4 inches) to accommodate different wall thicknesses or installation requirements.
Material: Made from High-Density Polyethylene (HDPE) for the pipes, ensuring durability and a watertight push-fit connection.
Pipe Diameters:
Waste outlet connector: 90 mm diameter.
Water inlet connector: 45 mm diameter.
Included Components:
Flush pipe with sleeve.
Straight connector with sleeve.
Two cover caps (finish is black and matt chrome).
Fastening material (mounting hardware).
Round cord ring made of EPDM. 
Purpose
This product is essential for completing the installation of a wall-hung toilet system when the standard connection set is not long enough. It ensures a reliable, professional, and aesthetically pleasing finish by providing the necessary pipes and seals, along with decorative cover caps to conceal the raw pipe ends and mounting bolts.