Save money and water for all common cisterns this whisper quiet toilet cistern valve pays off immediately do not wait until your valve breaks replace immediately and save money we have identified the biggest water waster in your house equip your wcs with the water saving valve and enjoy the comfort of a modern cistern in this way you achieve a big effect with little effort the old valve can be replaced by hand features adjustable flush water quantity very quiet only 16 db a at 3 ba