Just as its name, the Geekvape Flint MTL Tank is perfectly for mouth to lung vape. The Geekvape Flint Tank features 2ml juice capacity with child lock. The Geekvape Flint is best for nicotine salts. With unique top slide-n-fill for easy refill. The drip tip of Flint Tank can be took off too. You can choose Geekvape NS Coil for your Flint Kit.