Surgical Disposable Mask, ASTM Level 3, (Box of 50) – DemeTECH Corporation

Surgical Disposable Mask, ASTM Level 3, (Box of 50)

1266 reviews
Surgical Mask
DemeTECH's Surgical Face mask is FDA cleared, manufactured using the highest quality of American-made materials, and 100% manufactured in The United States. The DemeTECH Surgical Mask is rated ASTM Level...
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DemeTECH's Surgical Face mask is FDA cleared, manufactured using the highest quality of American-made materials, and 100% manufactured in The United States. The DemeTECH Surgical Mask is rated ASTM Level 3, this mask provides the highest level of protection.


All DemeTECH Masks are made in the USA.

FDA CLEARED 510(k) K201479


Customer Reviews
4.9 Based on 1,266 Reviews
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Deanna H.
United States United States

Favorite masks

They are my favorite masks. They fit well and don't have a strong chemical smell.

Sara M.
United States United States

High Quality

Great product that fits well and doesn’t tickle my nose with loose fibers like the ones not made in the USA. Thanks for making a quality product.

Karen L.
United States United States

Great masks

These masks are very breathable. Used for reducing COVID risk in crowded settings. Fit is good and ear loops are comfortable.

Tricia B.
United States United States

Great quality masks - made in USA

Our entire family has used these masks. They are as comfortable as masks can be. They are lightweight AND effective, making them more comfortable than some other options out there. The nose piece helps ensure a snug fit, even with glasses.

Susan F.
United States United States

These masks seem like good quality for the price. They are light weight, and it's easy to breathe when wearing them. The insert for your nose is sturdy and works well. I get a really tight fit when I knot the earloops on each side close to the mask itself. Will definitely buy these again when I run low.

ONGO Returns Policy

Due to health and safety concerns, COVID-19 Antigen Self-Tests cannot be returned even if unopened and no refunds will be issued. Accordingly, all sales of COVID-19 tests are final.

PLEASE NOTE EXPIRATION DATES BEFORE PURCHASING. Currently, the test expires on the last date of the month printed on your box (i.e. January 2022 means January 31, 2022). However, with medical products under EUA, such as On/Go, the FDA, after close studies, grants rolling expiration extensions. We expect the expiration date to be extended before the end of January and another expiration extension again early in spring. We will continue to closely update our website when the expiration date gets extended.

DemeTECH reserves the right to remedy customer issues and concerns on a case by case basis based on the facts and circumstances of each customer.

In the event your order is missing or arrives damaged, please email

DemeMASK Retuns Policy

Frequently asked questions about returns, refunds, and exchanges.

How do I return?

  • Visit our returns center.
  • Enter your order number and email address to start.
  • Follow the instructions and select the items you want to return.
  • Once your request is approved, you will get a confirmation email with shipping guidelines.
  • What items are returnable?

  • In the original sealed packaging.
  • What items are non-refundable?
      The following items cannot be returned:
  • Opened boxes.
  • The item i received is damaged!

    If the purchased product is faulty, reach out to us within 7 days of the delivered date to

    Can the items be exchanged?

    We allow the exchange of purchased items for selectable variants. Once the exchange request is approved, the replaced item will be shipped to you.

    What are the refund options?

    The following refund options are supported:

  • Refund to the original payment method.
  • Refund to store credit (if applicable).
  • How do I ship back the items?

    For instructions on how to ship the returned products, refer to the email received after placing the return request.

    How soon will I get my refund?

    Once your returned item is received and inspected, you will be notified via email. You will also be informed about the approval or rejection of your refund request. If approved, the refund request will be processed within 5 - 7 working days after approval.

    My question is not addressed...

    If you have any queries regarding return or refund, reach out to us at


  • 100% Manufactured in Miami, Florida, United States.
  • Ships from Miami, Florida.
  • Allow 1-3 business days for order processing.
  • UPS ground: 3-5 business days.
  • UPS 2nd Day Air: 2 business days.
  • UPS Next Day Air: 1-2 business days.
  • Shipping cost is calculated at checkout.
  • We only ship to physical addresses, not PO BOX.
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