Bowser Manufacturing Co.
H-21a 4-Bay Hopper

Pennsylvania (black)
Walthers Part # 6-37405
N scale, $13.95, sold out at Walthers

 
Based on a common PRR prototype, these cars were used by PRR successors and a few similar cars operated on other railroads. Cars come equipped with correct Crown trucks and standard N (Rapido-type) couplers.