Superb! Easy to fill and doesn't leak.
The first coil 0.8ohm lasted 8000 puffs which is great. No leaks no mess.
Took some getting used to but now enjoying it. This is because I am used to Kanger Protank 4 with socc 0.5 Kanthal for many years. This Zenith with 0.8 is better for MTL vapers for sure. I am still on my first coil with 3500 seconds of puffing and doing well. No leakage at all. Moderate amount of vape but good for me. I use an eleaf battery iStick Pico 25 that is compact and allows me many adjustments. My setting with this coil is at 16 watts. For those interested, I use coumarin pipe 50/50 which is a great liquid with discrete flavour that allows me to vape just about anywhere.
This is my new favourite clearomizer.