Water Quality Replacement Reagent, For Chlorine Colorimeter 3VXP4. Reagent can also be used with Hach Instruments, Range 0.02 - 2.00 mg/L, Includes (100) Powder Packs
Zoro
34.15 LOVIBOND 530080 DPD Total CL2 Reagent PP,5...
30.19 LOVIBOND 530130 DPD Total CL2 Reagent PP,...
240.99 LOVIBOND 530123 DPD Total CL2 Reagent PP,...
87.79 LOVIBOND 540210 Total Chlorine Reagent Set...