Kit includes 1 sealed vial each, 0-10 NTU, 10-100 NTU, 100-1000 NTU.
Gelex Secondary Standards Kit, for 2100P and 2100Q Portable Turbidimeters
(includes 1 sealed vial each, 0-10 NTU, 10-100 NTU, 100-1000 NTU).
Hach Gelex Secondary Standards Kit
SKU: 2464105
