brass refrigeration ball valve adapter connector g1/4'' high pressure endurance

made of fine brass,durable and has long service life. the ball valve can withstand high pressure. can be used for household air conditioning pressure-preserving after pumping out pressure,automotive air conditioning adding pressure and pressure-preserving, etc.. eliminate the danger of leakage of the fluoride tube, and insure more accurate pressure. the valve is stable and has great performance while using..syi