Usually you can use a Cambridge mask for around 300 hours or until breathing becomes difficult. However, I would also refrain from washing it unless it is needed (the mask smells or is visibly dirty). The same goes for the Cambridge Mask. We've worked with National Laboratories in the US, which is an FDA-approved facility. The mask was a PRO (N-99) and it was fantastic. © 2020 Breathe Safe Air. Once I had completed the return form and provided the photographs the replacement mask was issued within a day free of charge. But so far I give the product 10/10 and customer service 0/10! Learn whether they really work, which perform the best, and more. Your email address will not be published. There are no measurements for this part before ordering, so it is quite disappointing to have waited so long for a product that is too uncomfortable for me to use. The nose wire did start poking through mind so I reported to customer service who were amazing and sent me a replacement mask the next day. © 2020 Trustpilot, Inc. All rights reserved. Very comfortable, they wear that's marvellous. I have seen the Nelson Labs certificates personally. For anyone who has a beard or facial hair, be aware that the fibres on the mask come loose and essentially start tickling your face - very uncomfortable and annoying! They are made out of top-quality materials and pass through serious quality control, which makes them quite sturdy. So, would I recommend the mask? The masks are excellent quality and come with a very robust and handy storage box and pouch to maximise infection control, which is exactly what you need during the current Covid crisis. Cambridge Mask follows the standard reusable mask formula.
If they have I won’t be replacing them again when the filters have run their course. Also, the head strap is essential for long periods of wear. From Cambridge Mask. More than twice as heavy as the basic model (166 grams). Looking for another mask with 99% filtration? I appreciate it. There are other masks that provide better viral and bacterial filtration. Stories soon appeared of NHS workers running out of masks and untested equipment being dispatched to hospitals.
I believe that Cambridge Mask implies that they don’t need to be washed as they are intended as pollution masks (in which case washing isn’t that essential).
I do. This can be avoided with the head-band accessory.
The mask doesn’t have a built-in filter. American National Institute for Occupational Safety and Health (NIOSH) N99 filter requirements under 42 CFR Part 48 (tested by Nelson Labs USA), Certified as child-safe under 14 U.S.C 1278a and CFR Parts 1370 1501 1500.53 and 1500.44 (Certified by Bay Area Testing Labs), EN149 standards for CE in the European Union (Certified by SAI Global and Apave Labs FR).