Chromab. columns HLB (60 um), 6 mL,500mg (1xPK)
https://www.genesapiens.org/shop/rw2-730927-chromab-columns-hlb-60-um-6-ml-500mg-1xpk-332476
https://www.genesapiens.org/web/image/product.template/332476/image_1920?unique=8b4e79e
This Chromab. is guaranteed a columns with the use of HLB and directly supplied (60 to your lab by Gentaur's warehouse.
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Shipping: 2-3 Business Days