Xmbos***1 ceramic& magnet seal adjustable toilet fill valve Main features: 1. Working performance: Ceramic& magnet seal core takes place of traditional silicon rubber seal parts, greatly improving the problems like water leaks, water penetration, water fill noise, sealing part malfunctions. The ceramic piece works quite effective against corrosion, acid, high temperature and pressure, which makes the service lifetime much longer. With the technical design, all these merits make this toilet fill valve model the best in the current toilet tank fitting market. 2. Guaranteed service lifetime:over *0 years. (**0, **0~**0, **0 times of effective running) 3. Working pressure range: excellent water fill/ stop under the water pressure between 0.**1Mpa and 1.6Mpa. 4. Water condition: adapted to various water quality, such as tap water, foul water, sea water, etc. 5. Water temperature range: effective long term running in the water between 0~**2°F. 6. Water level control: ceramic& magnet sealing core makes the water level precisely stable under various static/dynamic working pressure, water level ascending precision is always within 1mm. 7. Water supply: stable water supplement ratio. 8. Product patent info: Utility model patent# ZL***********9.2, Invention patent# ************2.