Vent Systems Ø100 mm / 4" Inch Black Air Plastic Cover Louvered Outdoor Opening Flap Built in Pest Guard Screen HVAC for Home Improvement

FITS STANDARD 100 MM / 4” DUCTS – Compatible with all 100mm / 4 inch round ventilation ducts, ensuring perfect fit for HVAC exhaust systems in homes. MADE OF DURABLE ABS PLASTIC – Weather-resistant and UV-stabilised material prevents cracking, fading, and damage from rain, wind, or sun for long-lasting performance outdoors. BUILT-IN FLAP & MESH SCREEN – Gravity louvers and mesh screen protects from dust and debris while keeping airflow consistent and efficient in your ventilation system. QUICK & EASY INSTALLATION – Designed for simple DIY wall mounting with pre-drilled holes. No professional tools required, install securely in minutes. (SCREWS NOT INCLUDED) IDEAL FOR HOME VENTILATION – Perfect for bathrooms, kitchens, garages and utility rooms. Protects ducts from weather while ensuring clean, reliable exhaust airflow., Weight: 0.22 pounds, Manufacturer: Vent Systems