"The WOLO Siberian Express LV Air Horn is engineered with reinforced ABS for lighter overall weight and decreased vibration, even on rough roads. Requires an onboard air system with minimum 3-gal. storage tank sold separately - WOLO Model# 840 onboard air system - Item# 700531 - is recommended. Mounting Type Roof mount, Adapters Included No, Portable No, Compressor Included No, Hertz 150, Mounting Hardware Included Yes, Works With WOLO onboard air system model# 840 - Item# 700531, Decibel Rating 152, Chrome Plated No, Multiple Tone No, Product Style Train, Microphone Included No, Dimensions L x W x H in. 16 1/2 x 14 3/4 x 11, Trumpet Horn 3, Horns Included 1, Remote Panel Control No, No Slip Hand Grip No, Music Book Included No. Manual lanyard valve operation Powerful 152db / 150 Hz sound output Lightweight ABS plastic horn with glossy black finish and rugged steel mounting base Includes 10ft. x 1/4in. high-pressure nylon hose Stainless steel mounting hardware resists rust"
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