Installation Systems Safety and durability Wide range of solutions Duplo WC Compact With Roca´s Duplo systems you obtain all the installation flexibility for wall-ung santary wae: floor standingame, free-standing frame, concealed cistern without frame, compact 8 cm. version, etc... High quality materials Roca has always worked with the best materials. We can therefore offer you products that are a quality reference and that endure over time regardless of their intensive use. All cisterns Duplo are equipped with an anti-siphon inlet valve, with a class I noise level (below 20 dBA) Great durability and resistance The installation of the complete range is the safest in the market, with the guarantee of a perfect attachment and a high static resistance (up to 400 kg). This range has been designed to offer the best performance with an intensive use, making it ideal for the installation in public and private spaces. All cisterns are equipped with a flush valve with a silicone washer, whose durability is VRII (200.000 cycles) 2