Portable & Convenient: Compact pen design fits in your pocket for on-the-go testing

accuracy to ±1

Wipe the outside of the cuvette and insert into the MI413 photometer

contemporary kitchen aesthetic while being more forgiving than polished chrome

Transform your shower experience with our premium 15-stage filtration system that removes harmful contaminants while infusing beneficial minerals and Vitamin C

Hanna HI98309 Ultra Pure Water Tester - 0.000-1.999 µS/cm UPW Conductivity Meter replacement water filter Portable & Convenient: Compact penThe HI98309 UPW is the first pure water tester conductivity meter to measure in 1 1000ths of micro Siemens and provides on the spot and fast checks for minute traces of contamination in your water, assuring high quality of finished products in processes. A rugged, pocket sized tester that features graphite electrodes to reduce polarization effects. The HI98309 comes already calibrated, done with freshly prepared low conductivity solutions in factory