Dual Flush Concealed Cistern Functions & Features: Cistern: 1. The NISON cisterns are pre-set with a flush volume of 6 litres, but they can be adapted to other flush volumes by changing the height of the fill valve float cup; 2. Full flush volume can be adapted from 5.5 litres to 6.5 litres, and half flush volume can be adapted from 3 litres to 4.5 litres; 3. The isolating stop valve is located inside the cistern tank; 4. The hydraulic fill valve can be adjusted to meet a variety of water volume requirements. A. Short filling time; B. Quiet operation; C. G1/2" or G3/8" thread side entry; Metal Frame: 1. Metal frame for WC wall hang pan, for floor attachment; 2. Designed for light plasterboard walls; 3. Top or front operation; 4. Height adjustable(0-220mm); 5. Equipped with WC pan connector, bend connector and fixing accessories; 6. Bend connector position adjustable to user needs; 7. WC frame load tested to 400KG; 8. Easy installation and maintenance; We are a leading supplier specializing in development, design and manufacture of toilet tank fittings. Our main products include Toilet Tank Fitting, Toilet Tank Repair Kits, Toilet Tank Parts, Flush Mechanism, Cistern Mechanism, Cistern Fitting, Fill Valve, Flush Valve, Concealed Cistern, Push Button, Toilet Tank Lever, Connecting Bolts, Rubber Gaskets. Our company has been certified by ISO9001: 2000 and our products are strictly designed in compliance with JC987-2005, UPC, CE, NF, WRAS, NORSKA, AS, SASO standard. HS Code: 39229000 / 39269090 Price Terms: FOB Xiamen, China Payment Terms: TT or Irrevocable L/C at sight Packing: 1 SET/PE Bag; 1 SET/Master Carton Min. Order: 50 SETS Lead Time: 20-30 days Productivity: 2, 000, 000 sets per year Transportation: By Sea or By Air from Xiamen, China Certificate Standard: ISO9001, JC987, UPC, CE, NF, WRAS, NORSKA, AS, SASO. 1 SET/PE Bag; 20 SETS/Master Carton