So I usually use my Russian on my 2.5 mini. It's a great vape. A few days ago it had tipped over and the tank cracked at the threads. I was able to tape it up and use it for the rest of the day. I decided to check out my options and I kept finding myself ending up on avid vapors website. I purchased 2 different kits, 1 nano kit and 1 bell top kit. Iv only used the bell top kit so far. The quality looks very strong and we'll made, could not find any imperfections. It threaded very nicely on my Russian bottom. I have had no leaks and I think it looks great. Shipping was very fast and I would recommend them as a vendor. If you have any questions I can try and help as I could not find much info on people using these bell caps.
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