Bathroom Equipment Tubs, Lavatories, Tops, Bidets, Shower Stalls, Toilets. Geberit’s Concealed Tank and Carrier Systems;are used worldwide, offering unsurpassed quality and years of trouble free performance. Safely hidden behind the wall, Geberit’s in wall technology allows clean design;water savings, space savings, unlimited design possibilities, improved hygiene;and flexibility. the adjustable height carrier positions the toilet 15 to;19, Building Materials, Toilets, Bathroom Fixtures ...