3m filter to north/honeywell respirator adapter
thingiverse
For testing/evaluation purposes only. Use at your own risk. Original I found did not thread properly into my 5500 halfmask, so I modified with threads taken from elsewhere. Height of adapter is also reduced, allowing for a lower profile. updated version is reinforced as I had issue with breaking when I screwed in tight on previous version. Printed in PLA with supports. I'm a beginner in this stuff so try at your own risk. I muddled through most of this to get to a item that works for me. Used a 3m gasket. Coated exterior in acrylic. Might need a o-ring for the North threads, but it doesn't seem to need it so far.
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