40mm Gas Mask Canister by jacobrodenbeck

This is designed to be a modular, 3D printable, 40mm gas mask filter. Filter paper can be cut from a HEPA air conditioning filter or from somewhere else. Activated Carbon can be packed in between two particulate filters to supply NBC protection.

NOTE: This design should not be relied upon to save your life. DO NOT USE IN LIFE THREATENING SITUATIONS. Use common sense to decide when a 3D printed part should be relied upon.