Duct fan hose adapter — ABS, waterproof wall connection. Available in 100 mm or 150 mm. Key benefits Creates a secure, waterproof connection between the wall and the ventilation slot to prevent air leakage. Improves overall ventilation performance by sealing the duct interface and reducing unwanted air loss. Quick wall mounting saves installation time and effort for a clean, reliable fit. What it is A wall-mounted duct fan hose adapter made from ABS material, designed to join a ventilation slot or duct to a flexible hose or fan outlet. Available in two sizes: 100 mm or 150 mm to match common duct diameters. Why you need it Stops leaks at the wall penetration so the ventilation system works as intended. Provides a stable connection that keeps the hose or duct in place and reduces noise and drafts from loose fittings. Water-resistant construction helps protect the wall-ventilation interface from moisture entry. Key features Material: ABS for a robust, water-resistant connection. Compatibility: Two size options (100 mm, 150 mm) to suit different duct and vent-slot dimensions. Mounting: Designed for easy and fast wall installation; connect the duct or hose directly to the adapter. Typical applications Kitchen exhaust: Connect a range hood or duct fan hose to a wall vent for reliable removal of cooking fumes and odors. Bathroom ventilation: Link an exhaust fan duct to the exterior wall to keep humidity and condensation under control. Utility rooms or laundry areas: Provide a sealed transition for venting dryers or ventilation fans to maintain effective airflow. Simple installation notes Select the adapter size that matches your duct diameter (100 mm or 150 mm). Mount the adapter to the wall at the vent location, then attach the duct or hose to the adapter for a sealed connection. Performance expectations Provides a waterproof and secure joint that minimizes air leakage and supports efficient ventilation operation. Compatible with standard ventilation systems in residential and light commercial settings. If you need a straightforward, reliable wall-to-duct connection in 100 mm or 150 mm sizes, this ABS duct fan hose adapter delivers a sealed, easy-to-install solution for kitchens, bathrooms, and other ventilation needs.