Geberit Sigma Type 208 Dual Flush Valve with Basket, a genuine replacement part for specific Geberit concealed toilet cisterns. 
Key Details and Compatibility
Product Type: Complete dual flush valve mechanism including the basket/valve seat.
Operation: It operates using a pneumatic (air-based) system for smooth and quiet flushing.
Flush Options: Offers a water-saving dual flush system, typically with a factory default of 6/3 liters, which is adjustable.
Compatibility: This valve is designed for use with Geberit concealed cisterns, including:
Geberit Sigma cistern 8cm (post 2016 installation).
Geberit Sigma UP720 (2010-2016 models).
Geberit Duofix 111.728.00.1 wall-hung toilet frame carrier.
Replacement Information: This current blue-colored model is a direct replacement for the older turquoise and white colored valve.
Guarantee: It is a genuine Geberit product and comes with a minimum 1-year manufacturer's guarantee.