no, the gas lens itself is a production part by various companies, the screen and cup are additional diffusers

From what I can tell, what ToxicFab did is watched Jodi's video (https://www.youtube.com/watch?feature=player_embedded&v=9-mnZ2oyCxM) where Jodi gives the CNI part number, orders a box of them for 300$ then stamps out circular sintered wire mesh screens (probably from http://www.lawrencesintered...