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The Modfather Inc 25mm RTA

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Modfather 25mm

Available in Black, SS, Purple, Gunmetal and Blue.

Known as one of the best RTAs on the market, the Modfather brings some new design aspects to the game. The Modfather RTA has always featured a direct airflow to coil system allowing you to enhance the flavor and looks of your tank, the coils you install are visible from the outside, so you can still show off your awesome builds with the convenience of a tank. The new 25mm also includes an 810 drip tip, much larger kidney shaped juice fill holes as well as a two piece chimney. The two piece chimney allows you to run your 25mm RTA in either full mode or shorty mode. For shorty mode, simply remove one of the chimney sections and use the short glass piece that is included in the box!


  • Full Stainless Steel Construction
  • Easily accessible top fill by unscrewing top cap
  • Increased juice fill holes
  • 6.5ml capacity
  • 18mm Velocity style build deck
  • Removable build deck
  • 2.5mm post holes
  • PEEK insulator
  • Adjustable Airflow
  • Direct airflow to coils
  • 810 delrin drip tip



  • Shorty glass
  • Spare O-rings and Screws
  • Allen Key


5 Reviews

  • 5
    25mm rta

    Posted by Ryan peek on Jul 15th 2018

    I love the modfather rtas....had the 30mm in gold and now I have the 25mm in black, can't get enough of it.......clouds for days

  • 5
    Sweet tank

    Posted by Gregory Cumby on Jun 15th 2018

    been using my Modafther 25mm RTA for two days, it took me a day to get it dialed in and wow, it performs very well. Great flavor and blows nice big clouds. Out of the gate I went with 3.5mm coils installed close as possible to the posts. This is about as big as you can go. The first wicking I had a little too much cotton and it stifled my airflow. This morning I re-wicked and found the sweet spot. My only complaint is that it burns thru juice fast .. Tank is built very well, great threading, plenty of spares, an extra glass, and all the oroings you'll need. I'm very pleased with this tank and the service I received from The modfather Inc. .. A class act .. and a solid purchase from a very happy vape enthusiast.

  • 5

    Posted by Justin on Jun 08th 2018

    I absolutely LOVE this tank. Looks great, vapes great, fantastic quality and awesome flavor! It handles everything up to about 3mm i.d. and is easy to build on. Only problem I have with it, for me at least, is it's a b**ch to get the juice fill cap off sometimes. Maybe instead of a polishing cloth they could give you one of those rubber mats old people use to get lids off jars, lol. That said, I'd buy another in a heartbeat, pros FAR outweigh the only con I have. Modfather inc. you guys rock! Can't wait to try out some of your other products.

  • 5
    The little Brother

    Posted by Michael Diaz II on May 31st 2018

    I got this for my wife and she really likes it. I have two Modfather RTA's and the 30mm dripper. They all are too Big for her so this is perfect. Everything you love but smaller. Just as described!

  • 5
    Modfather 25mm rta

    Posted by Jeff DiBeneditto on May 22nd 2018

    I was a Huge fan of the original 30 mm my father RTA! But after using this 25 mm Modfather my mind has now been blown! Great flavor great vapor production what more could you ask for! Thank you for the Great product!