Vintage Hach Gelex Turbidity Standards Kit. 5 Vials 0-2 NTU Through 0-2K Opened

2 Hach 232706 Mixing Dispensing Bottle Sample Cell No Cap 10 15 20 23 Marks

70mm Qualitative Analysis Filting Filter Paper 15-20μm Speed Medium 100pcs/Pack

Hach 2100P Turbidimeter 46500-00 Digital Portable with Case & Manual (TESTED)

For Parts Hach 2100Q Portable Turbidimeter HACH LPG439 TURBIDIMETER

Milwaukee MW13 Mini Colorimeter Photometer Water Tester Meter

Vacuum Filtration Equipment Boro3 3 Glass Filter for Chromatographic Analysis

Ohaus Starter Glass ST230 Water Analysis Annular Ceramic pH Electrode 0 to 14pH