Four Pack Vacuum Manifold (1/4" barb outlet)

Vacuum Manifold for multiple jars.
Compact design.
This manifold will handle four electrolyzers.

The purpose of the manifold is to combine the HHO
from multiple units into one output hose going to
the engine's air intake system. 

1.25" diameter x 4" high
one 1/4" hose barb outlet
four 7/32nd hose barb inlet valves