The Hornby Skaledale R9668 "Tunnel Vents x 2" is a new and sealed accessory designed for use with OO gauge model railways. These tunnel vents, from the renowned brand Hornby, are perfect for enhancing the detail and realism of your train layout. The product includes two vents that can be easily added to tunnels to add an extra element of authenticity to your railway scene. Ideal for collectors and model railway enthusiasts looking to improve their layout with high-quality, detailed parts.