Easy to fill Kayfun top cap


I love me some Kayfun accessories and I just came across this cool little piece. I typically swear by Science of Vaping stuff but this looks interesting.

Kayfun Topcap

The easy to fill Kayfun Topcap by Tarsius Customs

Anyone have one? Anyone have thoughts on how you think it will work? Let me know below.


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Understudy77 is an avid regulated and box mod supporter, the resident high horse on The Plumes of Hazard, a blogger at The Ohm Page, and the guy who doesn't actually run Maryland Vapers.

  • Pete

    I am currently using this with the Tarsius Customs Kayfun Quartz Tank Kit. Overall it works really well; as long as you have a needle dripper you’ll never need a screwdriver to fill up your tank. You just unscrew the SS/Copper topcap portion until the fill holes are revealed. If you tilt the Kayfun away from the bottom airhole while initially filling, then slowly bring it level as you finish filling it you shouldn’t have any leaks. I’m not sure if this is compatible with any other tank kit, so if you wanted the Quartz Kit with this topcap system, be prepared to pay premium price.

  • AmazinBlaze

    AvidVapor just released one as well. I picked one up,will be here tomorrow .