The Ingco HDM31 is a non-medical mask, meaning it is not intended for use in medical settings or as protection from harmful airborne substances. Here’s what we know about the Ingco HDM31:

• Non-medical: This mask is not designed to protect against viruses or bacteria.
• Suggested uses: The mask may be suitable for protection from dust, dirt, and allergens during grinding, sanding, or sweeping. It may also provide some protection from cold weather or wind.
• Material: Likely polypropylene (PP) filter fiber and polyester (unverified) – Polypropylene is a common material used in non-woven fabrics like disposable masks. It offers some filtration but not at the level required for medical masks.
• Adjustable nose clip: The mask likely has an adjustable nose clip to provide a more secure fit.
• 50pcs/box: The masks are sold in boxes of 50.

Here are some things to consider when purchasing a non-medical mask like the Ingco HDM31:

• Protection level: These masks are not intended for medical use and may not offer significant protection from viruses or bacteria.
• Comfort and fit: Look for a mask that is comfortable to wear for extended periods and that fits snugly around your nose and mouth.
• Breathability: A breathable mask will allow you to breathe more easily.
• Washable vs Disposable: The Ingco HDM31 appears to be disposable, but some non-medical masks are washable and reusable.

Overall, the Ingco HDM31 is a non-medical mask that may be suitable for dust protection during certain work activities or for basic protection from cold weather. It is important to remember that it likely does not offer significant protection from viruses or bacteria.