From Avalara LandedCost, by the LandedCost Research Team, updated June 1, 2017.
This page provides an overview of the basic import duty rates applied to goods that fall under the classification code 2845909020 in Estonia. This product category is defined to include:
"Water enriched at a level of 95?% or more by weight with oxygen-18?(cas rn 14314-42-2)"