Kanger Protank-4 Clearomizer Kanger Protank-4 Clearomizer is an evolved tank made of stainless steel and pyrex glass, which can provide maximum e-juice capaicty of 5ml and top and side filling function. It has 22mm in diameter and 65.5mm in length. Kanger Protank-4 Clearomizer features new drip tip, child lock, MTL (Mouth to Lung) and DL (Direct Lung) inhale. It is compatibale with SSOCC, like dual clapton coil, Ceramic coil.It is a fantastic and esthetic RBA to help you to enjoy DIY vaping. We provide 10% discount off to new members.