3m mask to non rebreather oxygen mask

This converts a 3m mask with bayonet fittings to a non rebreather oxygen mask. You will need a bag from a standard disposable non rebreather mask, which is taped on Additionally, you will need to cap off the other bayonet filter fitting, which there are a number of caps available on thingiverse One example is https://www.thingiverse.com/thing:4264069