8640 Jar Vacuum Sealer - 665ml (22.5oz) Airtight Food Storage Container for Kitchen, Pantry & Meal Prep - Preserve Freshness of Dry Foods, Coffee, Spices & More
$110.17 $200.32-45%
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DESCRIPTION
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.
FEATURES
Manufactured for efficient use with liquid nitrogen (LN2) and other liquid gases
Made of double-walled borosilicate glass
Fully silvered
Country of origin United States
REVIEWS
****** - Verified Buyer
4.5
My husband, the science teacher, got these for his classroom. They are perfect. He is very pleased with the low cost and high durability of these.