Toilet Silent Adjustable Fill Valve save water

Toilet Silent Adjustable Fill Valve T1101   1) With internal pressure float cup, a stable working water level   2) The float cup up and down  to adjust working water level.   3)  The fill valve height adjustable 7.5"-11.5"   4) Inside fillter to  filitrate the dirt in water   5) Water pressure  1.5-150 P.S.I.G(0.1-10bar).   6)  Thread G1/2"(POM), G3/8"(BRASS) and G15/16"(POM) optional.