Look through the latest and best reviewed Vape RDAs / RTA Tanks (Canada) out on the market today. These are generally for more experienced vapers and not recommended for a first timer.
NOTE: Also find RDTAs here. All of these rebuildables require cotton and coils to be manually installed.
Oumier Wasp Nano 23mm RTA
Oumier Wasp Nano 22mm RDA