Tumbler screen fish meal feed swing vibrating sieve machine is an high efficient sieving equipment which is designed to meet the large out put, high-density sieving for chemical powder metal powder.
It means zipper with 2 way close end, with 2 slider&puller as below picture. Top/bottom puller can be different as requirements. The zipper teeth is shiny silver, with tape black, More colors, please contact us freely.