Why you need this adapter Creates a waterproof, airtight connection between wall and ventilation duct to stop air leaks, reduce drafts, and maintain the designed airflow of your ventilation system. Improves overall system efficiency by preventing loss of exhaust or intake air and reducing strain on fans. Key features and benefits Durable ABS construction: resistant to moisture and suitable for long-term use in wet or humid environments. Waterproof and secure seal: designed to form a reliable connection at the wall-duct interface to prevent air and moisture escape. Easy wall-mount installation: mounts directly to the wall with a quick and straightforward fitting process to save installation time and effort. Size compatibility: available in 100 mm and 150 mm specifications to match common duct and vent diameters; fits a range of channel and slot sizes for flexibility. Designed for ventilation systems: optimized for use with channel/duct fans and extractor fans to help maintain proper air circulation and indoor air quality. How it solves common problems Stops air leakage that reduces fan effectiveness and increases energy use. Prevents moisture and smells from escaping into wall cavities or surrounding areas. Provides a stable, long-lasting interface between the fan duct and the building structure, reducing vibration and misalignment. Typical applications Kitchen exhaust: connect range hood or cooker hood ducting to the exterior wall for a sealed, efficient exhaust path. Bathroom extractor fans: create a secure outlet for humidity and odors to the outside, reducing mold risk. Utility or laundry rooms: vent dryers or extraction systems while preventing air and moisture from entering wall cavities. Compatibility and sizing Choose the 100 mm or 150 mm model to match your duct diameter and existing ventilation components. Suitable for a wide range of channel sizes and vent openings; designed to adapt to common residential and light-commercial ventilation setups. Installation notes Designed for wall mounting; installation is fast and straightforward. Follow standard ventilation installation practices to ensure a proper seal and alignment. Made from ABS material—keep compatibility with existing ducting and verify diameter before purchase. Reliable, simple, and practical: an effective solution for creating a waterproof, airtight connection between wall and ventilation ducting.