cable & circuit testers
industrial test systems 480655 test strips chlorine 0 5ppm pk 30
test strips testing parameter ww2 free and total chlorine range 0 5ppm package quantity 30 br b features b ul li item test strips li li range 0.0 0.1 0.2 0.5 1.0 2.5 5.0 ppm li li number of tests 30 li li testing parameter free and total chlorine li ul