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I assumed the reason not to re-use them is that the paper mask structurally wears out and no longer creates the proper seal on your face.
by cactus2093 7y ago
I assumed the reason not to re-use them is that the paper mask structurally wears out and no longer creates the proper seal on your face.
- veemjeem 7y agowhat about the P100 filter cartridges used on half/full face respirators? Those have a plastic skeleton with a rubber gasket.
- kps 7y agoThey last indefintely, i.e. change the filter when it becomes clogged, which will be approximately never if you're not actually using it in a dusty environment. But check the manufacturer's instructions.