This promotion is valid on any 150 µL/20 µL antibodies currently available in the

Proteintech catalog. Custom produced antibodies are not included.

The free 20 µL antibody must be a different antibody target and catalog number to

the purchased 150 µL antibody.

This promotion is only valid between 2nd - 17th December 2021.

Antibodies must be ordered in the same transaction/PO to qualify for the promotion.

Contact us to require a free antibody sample of your choice while purchasing your