3M Mask Adapter using the "Makers Modular Mask System" parts

thingiverse

If you like this mask and want to support my work, you can use the "Tip Designer" link or send money directly through PayPal at https://www.paypal.me/MrDWGraf. You've got a great mask that uses 3M cartridges but can't find them or don't want to buy them. This is a replacement 3M filtration system using the Makers Modular Mask System Parts found here: https://www.thingiverse.com/thing:4256244. The lightweight version of the cap is available in the original posting if you prefer to print it with less plastic or simply like the design better. The cap on this mask uses a reverse airflow method that covers the filter from direct liquid hits. This system is optimized for 60mm makeup pads and air filtration. You can load one, two, or four pads on each side depending on your needs for air filtration and configuration. I recommend using four pads on each side to make eight makeup pads, which costs about $1 for a hundred here where I live, making it an eight-cent investment in filters. You can also put other materials like paper towels, toilet paper (which can be hard to find), or shop towels in this system. Note: This system has not been approved by anyone I know of, but it should be better than nothing. Use it at your own discretion and risk.