3M respirator inlet valve replacement
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Replacement valves for 3M
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution
Replacement for 3M respirator inlet valves
Some flexibility is needed, so TPU or a similar material should be used
❗This valve shouldn't be per se critical for the respirator operation, as the air still comes/leaves through filters. However replacing the parts of your respirator will likely break its compliance with the safety standards. Please, consult with the local regulations before executing the replacement. The author doesn't assume any responsibility for the safety of the repaired respirators ❗
Print notes
Soft material is needed (e.g. TPU)
Updates log
2026-08-28 Initial version released
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