Toilet tank refill valve 1 Thread size: G3/8″, G1/2″ 2 adjustable height 8-12″ 3 OEM fill valve 4 competitive price high quality 5,site inlet 6,inside drain guard keeps impurity out of valve,and easy to clean 7,simple water level adjustment. Hydraulic pressure design,can momentary shut off the water under different pressure, and  also endow it …