4'' Inch / 100 mm Exhaust Hood Vent with Rain Cover and Flap, White, Indoor Outdoor Air Cover, HVAC Duct 6'' x Cap

PRECISE COMPATIBILITY – With an opening diameter of 99 mm, the vent cover is made for 100 mm round duct openings. Overall wall plate dimensions: 153 x 153 mm. Insertion depth: 30 mm. Screw hole spacing: 111 x 111 mm. For exhaust ventilation in HVAC ducting. DURABLE ABS PLASTIC – Crafted from quality and lightweight ABS plastic with temperature resistance from -20 °C to +80 °. UV-resistant and weatherproof, ensuring long-lasting performance indoors or outdoors. BACKDRAFT DAMPER & RAIN COVER – Sloped hood design prevents rainwater, leaves, and debris from entering the HVAC system. The backdraft flap prevents backflow of air, odors, and cold drafts by automatically closing when ventilation is inactive. Maintains smooth airflow and energy-efficient ventilation. EASY INSTALLATION – Simple DIY surface or wall duct mount design with pre-drilled holes (SCREWS NOT INCLUDED). Hood can be disassembled for quick cleaning and upkeep. VERSATILE APPLICATION – Perfect for HVAC exhaust, dryer venting, kitchen extractors, bathroom fans, garages, utility rooms, and wall-mounted outlet ventilation systems. For home improvement - as an exterior wall vent cover.