Demetech Level 3 Surgical Mask


Face Masks


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. 

Product Features:


  • Protective Layer: The outer layer ensures proper wear and provides high protection against fluids, high breathability, and excellent protection against airborne bacteria.
  • Filter Layer: Provides at least 98% filtration against airborne particles and bacteria.
  • Inner Comfort Layer: Enables wearers to comfortably wear masks for extended periods of time.




    Size One Size
    Resistance to penetration by synthetic blood, measured in mm Hg 160mm Hg
    Differential pressure, mm H20/cm2 (Breathability) <5.0
    Bacterial filtration efficiency ≥98%
    Sub-micron particulates filtration efficient at 0.1 micron ≥98%
    Flame spread
    Class 1

      Shipping, Payment, & Returns


      Bttn provides free shipping on all of our products. Expected delivery times range from 7-14 business days. 

      Payment Options

      Payments are accepted via card, check, or PO. 

      If you are paying by check, please promptly send all checks to 146 N Canal St Suite 300, Seattle, WA 98103. 

      If paying by PO follow the steps below:
      1) Ensure that your Purchase Order correctly reflects the order placed on
      2) Download your organization's PO to your computer
      3) Open your email application
      4) Create a new email with the subject line "Bttn (Order #)" PO
      5) Add as the recipient
      6) Attach your organization's PO
      7) Press Send

      Return Policy

      30-day return policy.

      You can request a return up to 30 days after receiving your item. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. 

      To start a return, you can contact us. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. 

      Contact us for any return questions at