Tece Octa II Slim Dual Flush Concealed Cistern - 80mmTece Octa II Slim Dual Flush Concealed Cistern 80mm The Tece Octa II concealed cistern provides superior engineering and innovation for your toilet cistern requirements. Offering a high level of adaptability with a super slim 80mm depth and a width of just 500mm, this concealed cistern is both economical and environmentally friendly. Designed to fit into any bathroom taking up minimal space due to its compact design, this Tece cistern is front flush