WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov
The Cal-Scale 190-550 is an HO scale Nathan P3R4 air horn, cast in unpainted brass. It is a single-piece locomotive detail part intended for adding a realistic Nathan P3R4 horn to an HO scale diesel locomotive. Current Walthers and Bowser listings both identify the part as a Nathan P3R4.
