Purchase Qty. Reference FOB Price
2-99 Bags US$18.50
100+ Bags US$18.00
Product Description
PRODUCT INFORMATION 16mm Hach test tube vials for vials for Chemical Oxygen Demand ( COD ) determination. Results displayed as O2 mg/l. Please note Aijiren only supply empty reactor, which is required for sample digestion. The tube tests are in high-quality glass and the glass test tubes are ...