• Screw-on mouthpiece will never come apart in your pocket
  • Ultra slim profile matches the diameter of our Mini, Protege and Elite batteries
  • Top coil design for better longevity
  • Available in clear only
  • Will work on all KR808 batteries from other vendors

Scroll down for price discounts when you buy 3 or more!

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    Availability: In Stock




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    The latest in ultra-slim tank design, the S4 is our best slim tank to date. The narrow profile matches the diameter of our slim batteries for a clean and stylish look. Fans of the M4 tank will love the improvements we've made, including better and more vapor production and a sturdier design.