Turbine Roof Vents (x6). TT scale are Approx. H - 3.3mm, D - 3.8mm.
TD42 Turbine Roof Vents OO scale model railway scenics unpainted
Hornby Dublo 5005 & 5006 (ABHD 08) Engine Shed Spares - Roof Vents
TD43 Mushroom Roof Vents OO scale model railway scenics unpainted
TD41 Goose Necked Roof Vents x6 TT scale model railway scenics unpainted