The Elfbar Elfa with 20mg/ml nicotine is ideal for rather heavy ex-smokers with an increased nicotine requirement. The practical starter set consists of a USB-C rechargeable battery and a liquid pod with 20mg nicotine. The replacement cartridges with 2% nicotine are available in a huge selection of over 30 varieties. This means thatyou will also find ...read more a few flavors that perfectly match your preferences. Stock up now with a starter kit and replacement pod of your choice and convince yourself of the advantages of the ELFBAR ELFA pod system with 20mg nicotine!