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Fitseal Viramask Respirator, Single

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SKU: KY885, Part Number: N99, Shop more Wein Products items
  • $19.95
  • In Stock Usually ships in 2-3 business days.


  • No-leak adhesive face seal
  • NIOSH approved filtering mask
  • Low inhalation and exhalation resistance
  • Fits most adult faces
  • Two-way multi-layered filtration
  • Hypoallergenic, latex-free & fiberglass-free
  • Can be worn for up to 8 hours
  • Stores flat—compact & lightweight
  • Made in USA


Fitseal Viramask Respirator, Single

The new FitSeal™ N99 NIOSH adhesion respirator face mask is the next generation in personal respiratory protection. The result of five years of advanced research by world renowned aerosol scientists at leading universities and research laboratories, the FitSeal™ N99 adhesion respirator face mask provides unsurpassed respiratory protection against biological agents that is hundreds of times more effective than standard conventional strap type masks.

The Achilles’ heel of most masks is imperfect fit against facial contours. Dr. Sergey Grinshpun, Director of The University of Cincinnati Center for Health Related Aerosol Studies has stated, “For filtering facepiece respirators or surgical masks, particle penetration through face-seal leakage may exceed ten (10) times the particle penetration through the filter media itself."

Every face is different, and the size and shape of the face change as the mouth and jaw move, and the neck bends and turns. Gaps are fairly common even at rest, and much more so as the wearer experiences the range of motions that occur during normal activities. Air and contaminants rush through such gaps unfiltered, nullifying the mask’s protection.

The revolutionary FitSeal™ respirator uses medical grade adhesive around the mask’s entire edge to eliminate gaps. The FitSeal™ also doesn’t require exhalation valves that can spread disease to those nearby from the wearer coughing or sneezing.

Fitseal™ is the first and only one-size-fits-all (conforming to almost all facial contours) adhesion filtering facepiece respirator approved by the National Institute of Occupational Safety & Health (NIOSH) under rule 42 CFR Part 84, and it has met the additional testing requirements for new technology as part of respirator certification.

The Fitseal™ respirator’s two-way multi-layered advanced filtration media provides unsurpassed respiratory protection from toxic dust particles, disease-causing bacteria including tuberculosis, and pathogenic viruses including H1N1 swine flu and H5N1 avian flu. FitSeal™ respirators are recommended by the Centers for Disease Control against TB under NIOSH certifications.

The FDA-cleared medical grade adhesive used by the FitSeal™ respirator has been tested by leading dermatologists and found to show no damage or irritation to the skin even after repeated use. The FitSeal™ is not to be used over facial hair.

Flat, compact and lightweight, the FitSeal™ can be carried discreetly for constant availability.

FitSeal™ Respirator Features & Specifications

  • Extremely low penetration of 0.3 micron-sized particles
  • Blood Penetration (ASTM F1862): No penetration in 32 samples
  • Can be used up to 8 hours against particulate aerosols free of oil
  • Minimal accumulation of heat, carbon dioxide, and moisture
  • Easy to breathe & communicate through; strap-free
  • Large surface area for comfort, ease of breathing & speech
  • Readily conforms to virtually any adult face size and shape
  • Won’t interfere with headgear
  • Hypoallergenic, latex-free & fiberglass-free
  • Reliable fit maintained even during intense physical activity
  • Manufactured in USA under ISO 9000 quality control standards

For more details please see the specs tab, above.

Also see the Fitseal Viramask VS-500 respirator mask, sized for smaller faces.

  • “Pleasant Hill Grain is a top notch company. You process orders quickly without error and also resolve returns to the customer's satisfaction. Other companies I've ordered from online don't measure up to Pleasant Hill Grain!”

    – Pat Perusse, MD

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Manufacturer Part Number N99
Brand Wein Products
Length 9.5"
Width 4.5"
Height .25"
Certifications NIOSH
Origin USA


We stock this product in our Nebraska warehouse. Most of our shipments are by FedEx Ground or Home Delivery and you should receive your order in four business days or less from ship-out. Click here for more information about shipping.


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