Train Horn Install Kit for 1 or 2 Trumpets

Versatile install kit designed for use on USA Train Horn brand train horns with 1 or 2 trumpets, American made.
Kit includes:
One brass nipple 3/8" x 3" NPT
One electric solenoid valve 12 VDC 1/2" NPT
One 12ft of 1/2" OD DOT approved air line
Two brass compression fittings 1/2" x 1/2" NPT
Two brass bushings 3/8" x 1/2" NPT