Technical Specification Item O-Ring Material of Construction Nitrile, Buna-N For Use With Stainless Steel Housings Compliance & Restrictions Compliance and Restrictions This product has been certified by a third party to be compliant with the "Safe Drinking Water Act" requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption). This listing is for pkg. of 5. _DELETE_