This is a set of 2 props from the episode The Harvest from season 1. It consists of a fake production gas mask whioch has been made to look distressed and covered in blood. It comes in the Killjoys prop dept bag which describes it as 'John's Mask' however I have had trouble seeing it in the episode, so possible it's out of the camera framing or in a deleted scene, I am unsure.
The other item is a realistic looking silicon ear with blood around the base, this also comes in a bag marking it as the 'hero' ear, and can be seen with Dutch holding it up.
