USB Rechargeable Electric Air Pump for 3D Printer, Filament Vacuum Bag, OneKey Fast Pumping with MultiApplication, , Easy to Use, White
1. The principle of vacuum preservation: Items in a vacuum state are in a negative pressure and hypoxic environment, isolating moisture from the air. This allows food to remain fresh at room temperature in a vacuum, extending its shelf life by 35 times com
Category: Health & Beauty
1. The principle of vacuum preservation: Items in a vacuum state are in a negative pressure and hypoxic environment, isolating moisture from the air. This allows food to remain fresh at room temperature in a vacuum, extending its shelf life by 35 times compared to nonvacuum conditions.
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