Wolo 839-858 Air filter for air horns Cannon Ball Express Lv Pro- Powerful Train Horn Three (3) Trumpet Brass Triple Chrome Plated With Manual Lanyard Valve And High Pressure Air System

• Horn is operated by manual lanyard/ 152 Decibels- 307/347/440 Hz.
• All metal horn with three (3) triple chrome plated trumpets.
• Gives any truck a true train horn sound.
• Comes with mounting hardware and 10 ft. of nylon high-pressure hose.
• Heavy-duty compressor 2.55 CFM easily fills 2.5 gallon storage tank.
• Built in pressure switch, on- 80 PSI and off- 110 PSI.
• Compressor can be mounted on top of vehicle or on flat surface.
• Also includes safety pressure release valve, pressure gauge, all brass fittings and petcock water drain.