Newly redesigned and released in December 2015! Designed for the TWSBI Vac 700 and the Vac Mini fountain pens, this TWSBI Vac 20A bottle with Red cap allows for a complete full in one stroke. Simply fill the bottle with ink, screw the TWSBI Vac fountain pen into the top of the bottle, extend the vac plunger invert and push in the plunger to fill completely. The new design also now works with any fountain pen by unscrewing the upper cap. The Vac 20A bottle parts are not interchangeable with the older Vac 20 bottle parts.
This is such a great compliment to the Vac Mini. It is so easy to fill the pen without a mess.
Mary GaravagliaNov 20th 2017
MiniVac Ink Well 20A
Recommend that you get to accompany your Mini Vac pen. Also works great as a traveling
Vladislav SukhmelNov 20th 2017
A nice addition to TWSBI pen.
Although it is quite cool and allows for a far easier and fuller filling of a pen, this bottle is not completely useful when used with Vac Mini: when less than about 3.5 ml of ink is inside, it does not even allow to fill a pen.
This happens because of bottle construction, where a pen is not seated at the topmost point but is deeper in the bottle.
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