TAVISTOCK VORTEX DUAL FLUSH PNEUMATIC CISTERN The Vortex concealed dual flush cistern perfectly suits any Back to Wall furniture It can be used with most low height / width furniture. ---Pre-assembled concealed cistern ---3/6 litre adjustable dual flush options ---Pneumatic flush valve ---Push button operation ---Bottom entry inlet valve ---Top & front access ---0.2 - 10 bar working pressure range ---200,000 cycle endurance tested ---Rigorously tested before leaving the factory ---90° flushpipe for neat installation ---Designed to work with low height furniture ---Ideal for slimline furniture at only 135mmdeep ---Constructed from high density polyethylene with polystyrene insulation jacket to prevent condensation & allow for quiet re-filling".