1、Flexible tube which makes installation more conventient;
2、The higher the balance float is,the less the refill time is ;
3、The fill valve height could be customized as perrequest, like 7.5'', 8.5'', 9'', 10'', 10.5''
4、Inside check valve prevent water in the toilet tank from back-flowing to water-supply hose;
5、Filter prevents impurity from going into fill valve and easily to be cleaned;
6、Optional G1/2'' ,G15/16'' thread