... 3.tester 4.safety realiable 5.design&utility petant certificat easy mounting flow water metermaterial1.Flow water meter,which is ... distance of the F (M6*11)4.valve is optionalFeatures1.easy mounting ,low weight,long life span2.machined acrylic meter ... , precise control of temperature5.operation stability and safety reliable, easy maintenance YuYao ShunHuan instrument.Co,Ltd provide customers the best ...