Buffer N3-EF (1000 mL)
https://www.manchesterbeacon.org/shop/rw2-740794-1-buffer-n3-ef-1000-ml-331894
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This Buffer is guaranteed a N3-EF with the use of (1000 and directly supplied mL) to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days