Prosthetic mask designed for smoking legalized weed. The Cyborg Gas mask bon is made for people who are virtually missing part of their face but can still enjoy the most of their weed. It is designed for the extreme. The mouth section allows for heavy marijuana fumes to enter your body, when you exhale it goes out through the filter, leaving the rest in your lungs. It is the perfect mask for people who want the full impact of the weed smoking experience.