Best Lab Dewar Flasks of 2026

The U.S. Solid LN2 Tank is a high-quality cryogenic container designed to hold up to 3 liters of liquid nitrogen. With its durable construction and slow evaporation rate, this tank is perfect for storing extremely cold liquids like liquid nitrogen. It comes with six canisters, four of which have holes at the bottom for storing biological specimens, and two sealed canisters for dipping. The U.S. Solid LN2 Tank is backed by a one-year satisfaction guarantee, ensuring that you can buy with confidence. Whether you're a scientist, researcher, or just need to store liquid nitrogen, this tank provides convenience and peace of mind.

The Crystal Technologies Dewar Flask, with a capacity of 1000mL, is designed for laboratory use. Its compact size, measuring 12 inches in length, 4.72 inches in width, and 7 inches in height, makes it easy to store and transport. This flask is perfect for keeping substances at stable temperatures, which is essential for various experiments. The stainless steel construction ensures durability and resistance to corrosion, providing a reliable option for your lab needs. With this flask, you can efficiently manage your materials and enhance your workflow.

The stonylab Glass Dewar Flask is designed with a 1-liter capacity, making it ideal for storing and handling cryogenic liquids like liquid nitrogen. Its 75mm diameter and 300mm depth provide ample space for various lab uses, giving you flexibility in your experiments. Made from double-walled borosilicate glass, this flask offers excellent insulation to keep contents cold for longer periods. The aluminum base adds stability and durability, while the cushioned plastic rim protects the flask from damage, ensuring you can use it safely and confidently in your laboratory work.

The Crystal Technologies SDF-500 Stainless Steel Dewar Flask is a high-quality lab supply designed for various scientific applications. With its compact dimensions of 9.9 cm in length, 10.8 cm in width, and 24.1 cm in height, this flask is perfect for storing and transporting liquids in a laboratory setting. The stainless steel construction ensures durability and resistance to corrosion, making it a reliable choice for long-term use. Additionally, the Crystal Dewar Flask's 500mL capacity allows for ample storage of liquids. Whether you are conducting experiments or storing samples, this flask provides convenience and peace of mind, ensuring that your liquids are kept safe and secure.

The StonyLab Dewar Flask is a versatile laboratory tool with a 350ml capacity, designed in a practical cylindrical shape. Its 60mm interior diameter and 200mm depth make it ideal for storing various liquids, including liquid nitrogen. Made from durable double-walled borosilicate glass, this flask is built to withstand temperature changes while ensuring safety. The aluminum base adds sturdiness, and the cushioned plastic rim provides extra protection from accidental drops. With StonyLab’s commitment to quality and customer satisfaction, you can trust that any issues will be promptly addressed.

The Labasics Dewar Flask offers a 350 ml capacity, making it perfect for handling small amounts of liquid gases or low-temperature experiments. Its sturdy aluminum outer shell combined with a high borosilicate glass vacuum liner ensures excellent insulation, helping you maintain stable temperatures for your samples. This means you can safely store dry ice, liquid nitrogen, or protect delicate crystals during your research. Designed to work well with cold traps, it prevents solvents from damaging your vacuum pumps. Just remember to always wear protective gear when using this flask to keep your work safe and secure.

The NANBEI Liquid Nitrogen Dewar is designed to help you safely store and transport liquid nitrogen at extremely low temperatures, ensuring your samples remain preserved. Its durable build uses high-quality materials that resist damage and prevent leaks, giving you peace of mind during use. The container's excellent insulation keeps the liquid nitrogen cold for long periods, reducing the need for frequent refills. Plus, clear safety labels remind you to handle the dewar carefully and dispose of it properly, helping you stay safe while managing your cryogenic materials.

The Labasics Dewar Flask is a versatile container designed for laboratory use, especially when handling liquid gases and conducting low-temperature experiments. With a 665 ml capacity, it offers ample space for storing substances like dry ice or liquid nitrogen, making your research or storage tasks easier. Its construction includes a durable aluminum outer shell combined with a high borosilicate glass vacuum liner, providing excellent insulation to keep contents cold for longer periods. For your safety, this flask requires careful handling with protective gear, as it operates under high vacuum conditions. This product helps you maintain precise temperature control while ensuring safety during use.

The SHengwin Liquid Nitrogen Tank is designed with strong, high-grade aluminum alloy that keeps the temperature steady, helping you safely store your samples. With a large 20-liter capacity and a wide 50mm opening, it makes filling and accessing the liquid nitrogen easier. The tank can keep your liquid nitrogen stable for up to 180 days at 18°C, meaning less frequent refills and more convenience. Additionally, its excellent sealing and insulation reduce evaporation, so your samples stay protected longer, saving you time and resources.

The Bestank Liquid Nitrogen Dewar is designed to keep your liquid nitrogen safely stored with its strong and durable build, ensuring long-term use. Its advanced insulation technology helps maintain the extremely low temperatures needed to keep the nitrogen in liquid form, so you don’t have to worry about evaporation. The dewar is also easy to carry, thanks to its sturdy handles and lightweight design, making transport hassle-free. Perfect for labs, research centers, and industrial settings, this dewar fits various cryogenic storage needs, giving you a reliable and convenient solution for handling liquid nitrogen.