1. features of Kanger Protank2od1. Changeable Coil Head and tank2. Bottom coil design, heating form bottom3 .Huge Vapor, No burnt taste, no leakage, no crack4. Easy to Clean5. eGo thread with pyrex tank6. Compatible with eGo thread batteries2. Kanger protank2 specifications: 4. Shipping of kanger protank2:1. Sample within 1-2 working days2. Wholesales Orders: 3-7 working days according various quantities3. OEM 7-10 working days after receiving your sample confirmation and payment.6. Warranty for kanger protank2:A)How long-?We provide atomizer 3 months guarantee, battery and other parts 6 months guarantee from the ship date. (Vandalism can not be guaranteed)B)How to-? Usually we ship to replacement to you with your next order if you can provide the proof(photo or video) of the broken parts, if the quantity exceed 20% of your order quantity, we will request you to send back the broken parts to us to check and analyze the reasons.(this situation almost not exist.)7. Abour us1. Welcome to inquiry, welcome to visit our factory.2. Completed quality control system &rich production ability.3. Excellent after-sales service.4. With over 3 years OEM experience