Model 230 triple ABS train horn 3. 0 gallon US made air tank, all steel construction, Cortec internally coated against corrosion. Manufactured to SAE J10 and FMVSS 121 standards 150 PSI rated system with 6350RC air compressor Direct fit mounting brackets with a spare tire delete horn mount 2017-21 F-250/F-350/F-450 Fit type: Vehicle Specific