Mask

a high flow respirator with one-way exhaust reed valves. the idea is to wrap the drums with electrostatic polypropylene and then wrap a rubber-band around it tight. Apply a small amount of nontoxic glue on the filter frames flange, feed through hole from inside to the outside and screw on the retainer. Then stick on some soft weatherstripping or something along the borders to get a better seal on the face and you good to go. Should be able to breath like nothing is there while getting full protection. Credit and kudos to the other guys who designed the face cup. i just added the filter cart-rage and modified the reed valves.