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Your cart is empty.Dewar vacuum flasks are made of double-walled borosilicate glass, fully silvered, evacuated to 10-5 and covered by a protective mesh. Evacuation tips and flask bottoms are fully coated and enclosed in an aluminum base. Polyethylene lids are included with all flasks. These vacuum lab-grade standard dewars are manufactured for efficient use with liquid nitrogen (LN2) and other liquid gases.
jp12345
2025-03-07 11:12:32
Evaporated to quickly
Shyam Pahari
2025-01-17 21:50:36
It’s not original from manufacturers
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