1x 3ml fully assembled Lil Mama Tank with stainless caps, to use 35mm (short) cartos
1x 5ml polycarbonate tube (to make it into a Big Daddy) to use 45mm (XL) cartos
4x spare O-rings
Please click Here for a list of flavours/liquids that do not react well with polycarbonate tubing.
The outer O-ring on the caps seals the connection between the tube and caps very well; there's no play or leaking after they're connected.
The second O-ring inside the cap hole seals the connection to the cartomizer nice and tight.
The caps are identical and the tops are very well polished.
The external O-rings hold the caps firmly in place, not too hard that it takes a powertool to remove, but not too soft to worry about it coming apart. Once the (punched & filled) cartomizer is in, insert a drip tip and you're ready to go!
Here is a review with Steve showing how to use a self piercing saddle valve (for punching cartos) at the end:
Glenn's initial review