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The IHW Vacuum Flask 1600ml - IVB16002 utilizes a double-wall 18/8 stainless steel build to maintain liquid temperatures. This 1.6-liter container holds heat for 18 hours and keeps fluids cold for 24 hours. High-density vacuum layers stop external condensation and sweat from forming on the surface.
Key Features
- 18/8 Stainless Steel: 1.6L food-grade metal construction resists corrosion and metallic aftertaste. It prevents rust during exposure to rain.
- Double-Wall Vacuum: 18-hour hot and 24-hour cold retention through thermal layers. Liquids stay at target temperatures for entire work shifts.
- Air-Tight Cap: 100% leak-proof seal with a secure screw-top mechanism. This prevents spills inside bags or on floor mats.
- Wide Mouth Opening: Large diameter aperture for easy ice cube insertion and interior cleaning. This simplifies maintenance and daily refills.
- BPA-Free Materials: Chemical-free components used in the lid and internal lining. It eliminates toxin leaching into stored drinking water.
Frequently Asked Questions
How long does IHW flask keep water hot?
The 1.6L vacuum flask maintains high temperatures for up to 18 hours. This duration relies on the double-wall 18/8 steel insulation.
Is IHW flask made of food grade steel?
The unit consists of 18/8 food-grade stainless steel. This material prevents chemical contamination and resists interior rusting.
