Yep those are cool I got some of the taller version that uses standard STM glass.
Where the heck to you get the little fill orings though?
These are the Little Buggers you are looking for...
$0.80 Rubber O-Ring Seals for E-Cigarette (10-Pack) 12-pack - 4*1.8*1mm (OD*ID*T) at FastTech - Worldwide Free Shipping
BTW - Those O-Rings also work great on 510 Atomizer Pins.