Limited Warranty Period: Subject to all warranty requirements and exclusions identified in our Terms and Conditions of Sale, this product is Warranty period is ninety (90) days from date of shipment. Disclaimer of Restrictions on Use for Internal Research: Any limitation that Buyer may use a product solely for internal research does not apply to the product on the page to which this statement relates. † The term "leak-proof" applies to Thermo Scientific Nalgene products that meet the following standards: a) For bottle/flask/funnel sealing systems with cap sizes less than 100 mm, when filled with water, at 2 psig gas pressure, inverted 2 minutes, the water inside will not overflow; b) For bottle/funnel/flask sealing systems with cap sizes greater than 100 mm, when filled with water, turn them upside down for 15 minutes, and the water inside will not overflow. Note: If other liquids are used for the above test, different results may be obtained. To ensure safe use, customers are advised to test Thermo Scientific Nalgene bottles and caps under planned application conditions. When used together with Nalgene bottle caps, Thermo Scientific Nalgene products are leak-proof under normal temperatures and pressures.