The Smoktech DCT Slim 2.5ml Glass (Duel Coil) Cartomizer (1.5ohm). The glass tube is made with pyrex glass material and compatible with various ejuices which may deteriorate plastic tubes. Each tank holds about 2.5ml ejuice. Use with Smoktech 45mm 510 DCT Pre-punched (1 hole & 2 holes) or F-16 (2 hole) cartomizers and 510 drip tip.

Each 510 DCT MOD contains:
1pc 1.6ml Pre-punched 1.5ohm Dual Coil XL cartomizer for 510/eGo threading
1pc Clear transparent drip tip
1pc 5ml Smoktech Glass DCT Tube

Brand: Smoktech
Tube Size: Diameter .59", Height 2.77"
Capacity: 2.5ml
Tube Material: Pyrex glass
Metal Meterial :Aluminum
Threading: 510
Package: Simple packaging
Packaging: Simple

How to refill ejuice?
1. Remove the drip tip from the pre-punched cartomizer
2. Slide Glass tube upwards on cartomizer until top hole on top of tube is exposed to allow to fill tank with ejuice.
3. Fill tank with ejuice. 2.5ml maximum.
4. Slide Glass tube down the cartomizer (Use care to align top of cartomizer with the top hole of glass tube properly)
5. Place Drip Tip back on cartomizer and use.