Ensuring a proper fit for your respirator is crucial for safety and compliance. ​
 

Our qualitative mask fit testing services is quick, informative and meets OHSA & CSA requirements. Certificates are issued for each client during the session, and are valid for 2 years.

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Individual sessions take 15 minutes, are performed at our Cambridge location 6 days a week, and can be easily booked online. Often, same day appointments are available. ​

For most individuals, there is no need to bring your own mask - but it is important to let us know if your school or employer has any recommended sizes that you wish to be fit for. 

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We carry the following sizes on 3M masks in stock: 1870+, 1860, 1860S, 8210 & 8110s, which are the most commonly used and available masks for healthcare. 

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If your employer or school requires a different make of N95 masks than our stock (such as Makrite, Honeywell, Vitacore etc.), OR you wish to be fit for a 1/2 face respirator - please bring that mask with you for testing. ​