Extension X Swing 3/5 Bi Port.

Ferplast Swing Pet Door Extension Tunnel adds 5 cm depth to compatible Swing pet flaps, making it ideal for thicker doors or walls while ensuring a clean and secure installation.

Specifications
• Category: Pet Door Accessory / Extension Tunnel
• Brand: Ferplast
• For: Swing 1, 3, and 5 Pet Flaps
• Dimensions: 16.3 × 5 × 18.4 cm
• Material: Weatherproof, UV-resistant plastic

Key Features
• Extended Depth: Adds 5 cm for thicker door or wall installations (up to 18.4 cm total)
• Compatibility: Designed for Swing 1, 3, and 5 pet flaps
• Durable Material: High-grade, weatherproof, UV-resistant plastic
• Easy Installation: Modular snap-on design (mounting screws sold separately)
• Sleek Finish: Crisp white color suits modern home exteriors