those are the optional ones.FastTech - Gadgets and Electronics
Replacement Parts are unbelievably cheap at FastTech. Free Shipping to major countries.www.fasttech.com
Sorry, no help. Good luck with your search.those are the optional ones.
It comes with 5 swappable air flow resisters(1.0mm, 1.6mm, 2.0mm, 2.5mm, 3.5mm).
Let me see if I can find the box and the plugs, then I will pm youThose r the plugs I'm interested the most. Can you pm me yet price and pp account?