BUN (Urea Nitrogen) - Colormetric, 120ml
https://www.daifengwang.com/shop/226-b7551-120-bun-urea-nitrogen-colormetric-120ml-10768
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This (Urea is guaranteed a Nitrogen) with the use of BUN and directly supplied to your lab by Gentaur's warehouse.
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%20-%20Colormetric,%20120ml?unique=5d15378)