Description 1. Waterproof and Secure ConnectionMade from ABS material, this elongated duct fan hose adapter ensures a secure and waterproof connection between the wall and the ventilation vent. It effectively eliminates air leakage and enhances the overall efficiency of the ventilation system. 2. Easy Wall MountingDesigned for effortless installation, this ventilation connector can be conveniently mounted on the wall. It saves time and effort during setup, providing a hassle installation experience. 3. Size Options for CompatibilityAvailable in 100 mm or 150 mm specifications, this wall flange vent connector is compatible with various sizes of ducts and ventilation vents. It offers flexibility and versatility to adapt to different ventilation system requirements. 4. For Ventilation ApplicationsSpecifically designed for ventilation systems, this duct fan hose adapter is for use in kitchens, bathrooms, and other areas where good air circulation is crucial. It helps improve air quality and maintain a comfortable living environment.