No purchase necessary. This promotion is available only to life science professionals 21 years or older. Samples are available to eligible participants who register no later than Dec 31, 2025 or until samples supplies are depleted, whichever comes first. The estimated value of the samples is $ 7.00 USD. One free sample type per person. By registering, you warrant that you are not prohibited by employment, contract, law or any applicable professional code of conduct from accepting the sample from Thermo Fisher Scientific. Offer void where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.