www.supplyht.com/articles/92550-product-preview-actuators-for-concealed-tank-and-carrier-system
Product Preview...Actuators For Concealed Tank and Carrier System
October 1, 2008

Geberit introduces a line of actuators for the Geberit Concealed Tank and Carrier System to offer bathroom designers and architects more choices in achieving their design objectives for wall-hung toilets. The actuators - Sigma50 and Sigma20 - are available in a wide variety of colors to enhance a bathroom motif.
Geberit North America.
Circle 231