Use code SPRING21. *Free standard ground shipping on supply products over $250 in contiguous United States only. Exhibit cases and Testo products not included. Other product exclusions may apply. Pricing during promotional periods is not applicable to prior purchases. Offer valid in US only; not valid in other countries. Offer may not be combined with any single product offer, bid or contract pricing, and does not apply to custom orders. Offer ends 04/25/21.