Welcome to First vivo – manufacturer of the Quietek™. Where everything is proudly “Made in the USA” by skilled scientists and engineers.

Serving the industry for over 10 years, the First vivo Quietek is the go-to instrument to assure compliance with the AVMA Guidelines for the Euthanasia of Animals. If you have any questions about using, supporting or purchasing a Quietek please contact us by email, phone or the contact page and we will be happy to help.