User customizable with marker, water colors, pencils, etc.
Example filter media from cut furnace filters (MERV 1500), remnant fabric, and microfiber wash cloths
The DIY system. Clockwise: Internal filter frame, elastic, filter, elastic, and center is the flat pattern card-stock mask structure.
Example of sizing for children through to adults.
Top view showing the air vents for inhalation. Exhalation vents face downwards. The filter media sits between the external air vents and the users face ensuring the air passes through the media before it is inhaled.
