Surgical Filter in 3M Mask (3200)
Description
I try to create a cartridge that can prolong the usage of surgical mask filter. The diameter of the surgical filter is around 70mm. This cartridge increase the surface area (70mm diameter) of the surgical filter which improve the electrostatic filter efficiency. The greater the surface area, the lower the air flow rate through the filter and result in higher effectiveness to capture the virus by electrostatic. The adaptor is based on the design, 3M 3200 gas mask custom filter adapter, by Fishpo Feb 12, 2020 and I modify the setup. Thanks Fishpo. https://www.thingiverse.com/thing:4147665 The cartridge and ring are my old design for 3M Mask 7502 / 6200 https://www.thingiverse.com/thing:4181495
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