Kanger sub tank mini, need help

Wingsurfer

Hey guys, I took apart my tank to give it a good clean. After I put it back together I found this small white o-ring. Took it apart again & canny for the life of me see where it's come from. It's not pictures of referenced in the instructions. Does anyone know where it has escaped from?

You see it here, on my little finger

                                                                       

djstu_d

It's a seal for the glass tank into one of the metal ends...

owen021173

Isn't it too small for the tank ??
No sure but could it be off the coil ?

oska

I can't find a decent breakdown pic but looks either like a coil or drip tip o-ring.

walks

Just had a look at one of my subtanks, it's from the coil.

Wingsurfer

Thank you guys. It must've been left from the old coil then, this was before I had unsealed & inserted the new one