Sensafe (481234) Ozone Check; Bottle 50 Test Strips Filter Housings & Canisters 5" Big Blue radial flow

5" Big Blue radial flow carbon filter that uses granular activated carbon (GAC) to remove chlorine

Universal EC Meter Calibration

and dust resistant

5" W Filtration Rating 1 Micron Flow Rate 0

Sensafe (481234) Ozone Check; Bottle 50 Test Strips Filter Housings & Canisters 5" Big Blue radial flowSenSafe Water Quality Testing SenSafe Ozone Check (481234) Test Strips Low range ozone detection for pool, spa, and water treatment applications with unique aperture technology for accurate readings down to 0. 05 ppm 30 second results 50 tests per bottle No technical experience required 0. 05 ppm sensitivity The SenSafe 481234 Ozone Check delivers reliable ozone detection from 0 to 0. 5+ ppm in just 30 seconds using a patented aperture viewing system.