Large size cartridges for Cotton Round size
thingiverse
This is a remix, that makes the cartridge large enough to put a cotton round in (the kind used for makeup removal)., or any other filter you want. Directions are same as the orginal. Last 2 pictures look different as far as the adapter goes, because i remixed the same cartridge to go on another mask. https://www.thingiverse.com/thing:4289642
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