Sensafe (481110) Its Total Chlorine Kit; 30 Foil Packets Test Strips 10 inch x 2.5 inch Filters2645 it fits all standard Big

it fits all standard Big Blue 20" housings and handles flow rates up to 20 GPM with minimal pressure drop

Lightweight design makes it easy to load clips and deploy them quickly

this filter fits standard 20" x 4

protecting membranes and extending their lifespan

Sensafe (481110) Its Total Chlorine Kit; 30 Foil Packets Test Strips 10 inch x 2.5 inch Filters2645 it fits all standard BigSensafe Professional Water Testing Sensafe 481110 ITS Total Chlorine Test Kit TMK colorimetric test strips for accurate total chlorine measurement from 0. 02 to 10. 0 ppm in under 60 seconds. No mixing, no hazardous chemicals, no technical training required. 30 Foil Packets 0. 02 10. 0 ppm Range 15 Second Results WHY IT WORKS TMK aperture strip technology for reliable chlorine detection TMK Colorimetric Method Thio Michler's Ketone chemistry provides