The Kanger Protank 2 is glue-free and fully disassemble-able! 

The Kanger Protank 2 offers the same great features and performance as the Kanger Clearomizers but with the introduction of a glass tank! The Protank 2 is also 510 threaded and will work on a 510 threaded MOD without the need for an adapter.

Updated in Kanger Protank 2:
Stronger base
Glass tank is replaceable
Glue Free: All parts are replaceable
Can be fitted with 510 Drip tip
Features:
Replaceable Atomizer Heads (interchangeable with Protank 1 and EVOD)
Bottom Coil
Glass Tank
Advertised with a 2.5ml capacity
Unlike other Kanger Tanks, the Protank is 510 Threaded and it will work on 510 thread MOD/APV without the need for an adapter
Dimensions: 1-15/16"L x 3/4"D (without drip tip)