*No purchase necessary. This promotion is available to life science professionals in Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Italy, Hungary, Luxembourg, The Netherlands, Norway, Poland, Portugal, Slovakia, South Africa, Spain, Sweden, Switzerland and United Kingdom only. Sample requests must be received by December 31, 2021, or until sample supplies are depleted, whichever comes first. The sample is 20 µL. Limit one free sample each of up to two different enzymes, per lab within 6 months. Please allow 6 to 8 weeks for delivery. Cannot be combined with other discounts or promotions. Offer void where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.