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Could there be a device that would filter the exhaled air? Make it a part of the e-cigarette, so that one can exhale back into the same thing or into a differe
by Kinrany 2y ago
Could there be a device that would filter the exhaled air?
Make it a part of the e-cigarette, so that one can exhale back into the same thing or into a different port on it.
- cactusplant7374 2y agoThere is a filter type device for use indoors but it is standalone.