Bar-Mills Turbine Rooftop (2) O Scale Model Railroad Building Accessory.

Bar-Mills Vents Tall Roof (2) O Scale Model Railroad Building Accessory.

Bar-Mills Cyclone Roof Vents - Kit O Scale Model Railroad Building Accessory.

Bar-Mills Window Vent Fans - Kit - pkg(8) O Scale Model Railroad Building Accessory.

GCLaser Meter Socket 4-Pack Kit (2 Styles) O Scale Model Railroad Building Accessory.

Bar-Mills Fire Hydrants - Unpainted pkg(3) O Scale Model Railroad Building Accessory.

JL Roof Vent & Stack Model Railroad Building Accessory HO Scale.

Bar-Mills Industrial Vent System - Kit Unpainted pkg(2) O Scale Model Railroad Building Accessory.

Bar-Mills Turbine Rooftop (2) O Scale Model Railroad Building Accessory.

Bar-Mills Vents Tall Roof (2) O Scale Model Railroad Building Accessory.

Bar-Mills Aged Chimney Selection 3pk O Scale Model Railroad Building Accessory.

Bar-Mills Cyclone Roof Vents - Kit O Scale Model Railroad Building Accessory.

Motrak O Exterior Walls J Vents.

Tichy-Train 8x8' Baggage door O Scale Model Railroad Building Accessory.

GCLaser Meter Socket 4-Pack Kit (2 Styles) O Scale Model Railroad Building Accessory.

Tichy-Train 5 Panel Door & Frame (3) O Scale Model Railroad Building Accessory.