Hanna (HI93711-03) Chlorine, Total, DPD Method (300 Tests) Omnipure (E5720) 14"x2.5" Diameter E-Series 1 Micron Carbon Block Every 1-3 Months

Every 1-3 Months

pool and spa maintenance

Model Number TW30-4014 Dimensions 4 inches × 14 inches Active Surface Area 20 ft² (1

⚖️ Heavy Metal Reduction

Precision-machined 4"×25" chamber fits DOW FILMTEC and compatible commercial membranes with 1/2" NPT port connections

Hanna (HI93711-03) Chlorine, Total, DPD Method (300 Tests) Omnipure (E5720) 14"x2.5" Diameter E-Series 1 Micron Carbon Block Every 1-3 MonthsThe Hanna HI93711 03 reagent kit delivers 300 precise chlorine measurements using the DPD (N,N diethyl p phenylenediamine) method, the industry standard for total chlorine analysis in drinking water, pools, and industrial applications. Designed for use with compatible Hanna photometers, this kit provides accurate readings from 0. 00 to 3. 50 mg L with select meters extending to 5. 00 mg L. SPECIFICATIONS Technical Details Model Number HI93711 03