FAQ

Differences in filtration between the Pro & Non-Valve masks

Both the PRO and Non-valve masks have the same level of protection and efficiency. They have the same filtration technology with the main difference being only the one-way exhalation valve.

Non-Valve Mask packaging & contents

Similar to the PRO mask, the Non-valve mask comes in an eco-friendly packaging and comes with a complimentary set of Head strap and Nose foam.

Differences between The PRO and The Non-Valve mask?

Other than the design of the mask, the PRO and Non-valve masks do not have much prominent differences.

Is the mask effective against Covid-19?

Our PRO and Non-valve masks are effective in blocking viruses, bacteria, and other harmful airborne particles.

Is the mask washable?

We are pleased to inform you that the Cambridge Masks are washable. You can hand-wash your mask by gently massaging it with warm water and washing soda, rinse thoroughly and hang it up to air dry.

How long does the mask last for?

The Cambridge Masks are re-usable. The masks have a lifetime of 360 hours for the PRO and Non-valve masks, and 90 hours for the BASIC masks. 

Non-Valve mask & FFP2 standard of protection

The Non-valve and PRO masks have the same filtration technology, and therefore provide the same filtration efficiency. The filters of our masks have been thoroughly tested by Nelson Labs, which is ...

Where can I buy the Non-Valve Mask?

Good news! Our Non-valve masks are now available in our US and UK & Worldwide websites.

Do all our masks have the same sizing?

All Cambridge Masks follow the same sizing standards. However, minor differences may exist between mask generations due to small improvements. We recommend re-measuring your face and referring to o...

Can Non-Valve masks be sold by distributors?

We take pride in being able to bring protection to people worldwide. We are also happy to work alongside distributors of all sizes who are able to meet our minimum MOQ.