Promo Code Terms of Use: Offer valid for dates indicated on promotional material. Promo code eligible on ThomasSci.com only. Limit one code per email address and per order. Offer not available on eProcurement platforms. Cannot be combined with any other promotion. Thomas Business Account users may have contract pricing lower than promotional pricing – lowest eligible price will be applied. Offer cannot be applied to previous purchases and cannot be redeemed for cash or product credit. Exclusions and limitations may apply. Brands excluded from promotions include Arrowhead Forensics and Wiley Mill products. Void where prohibited. Subject to change without notice.