3M Filter Sploof
thingiverse
***Requires a 3M 6895 gasket for the 3M 2097 or 2091 filter*** The 3M 2097/2091 filter is absolutely essential because it's specifically designed to handle the particle size, but simply filling the tube with carbon without using a filter should also work, although this approach isn't recommended. When printing, ensure that no supports get in the threads. I printed mine with five walls to make it airtight, and less would likely be sufficient. I've personally tested one of these adapters and can confirm they perform flawlessly.
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