Which is better for ? Eezibleed type or vacuum pull system.

[vrooom]

for brake bleeding. which is better pro/con of each system ?

Vacuum pull type

[img]http://i.ebayimg.com/00/s/NTcwWDU4Ng==/z/5y0AAOxycmBStukp/$_12.JPG/[img]

or

Gunson G4062 Eezibleed