3M Bayonet Connector Adapter Extension by 3dRage model
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3M Bayonet Connector Adapter Extension by 3dRage

3M Bayonet Connector Adapter Extension by 3dRage

by Thingiverse
Last crawled date: 4 years, 2 months ago
This is the piece you need to start your own 3M replacement filter cartridge design. The hole required is 32.20mm.
I found a 3M cartridge design somewhere and it was flat. That won't work on the masks. It has to be offset.

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