"The WOLO Cannon Ball Express EV24 Air Horn delivers an ultra powerful true train horn sound for your truck. Requires an onboard air system sold separately - WOLO Model# 840 onboard air system - Item# 700531 - is recommended. Adapters Included No, Portable No, Mounting Hardware Included Yes, Multiple Tone No, Hertz 150, Trumpet Horn 3, Decibel Rating 152, Microphone Included No, No Slip Hand Grip No, Product Style Train, Remote Panel Control No, Mounting Type Roof mount, engine compartment, or any flat surface, Works With WOLO onboard air system model# 840 - Item# 700531, Dimensions L x W x H in. 16 1/4 x 15 x 11, Chrome Plated Yes, Horns Included 1, Music Book Included No, Compressor Included No. Powerful 152db/150 Hz output ensures that you will be heard Durable all-metal construction 3 triple chrome-plated trumpets Rugged plated steel base for long life Includes 10ft. x 1/4in. nylon high pressure hose Comes with stainless steel mounting hardware to resist rust 16 1/4inL x 15in.W x 11in.H horn"
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