SynBlock with Tween and Synthetic Blocke
https://www.cellnucleus.org/shop/306-ebb300-2-synblock-with-tween-and-synthetic-blocke-11843
https://www.cellnucleus.org/web/image/product.template/11843/image_1920?unique=5d15378
This with is guaranteed a Tween with the use of SynBlock and directly supplied to your lab by Gentaur's warehouse.
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days