Round ABS Ventilation Exhaust Cover — adjustable, lownoise, easyinstall Key benefits Controls airflow and reduces noise: builtin adjustable air volume control prevents excessive airflow and lowers operational sound while maintaining efficient ventilation. Quick, tool installation: snaps securely over duct openings and stays in place during operation, reducing the need for fasteners or frequent adjustments. Durable and attractive: made from longlasting ABS with a sleek black finish that fits modern interiors and resists wear in indoor exhausting applications. What it does and why you need it Regulates exhaust flow to avoid strong drafts, protect indoor comfort, and reduce fan noise. Provides a neat, finished look for exposed duct ends in residential and commercial spaces. Durable ABS construction ensures longterm, stable performance in routine exhausting tasks. Specifications and compatibility Type: Round ducting ventilation cover for general indoor exhausting applications Material: Longlasting ABS Fit diameters: compatible with 75 mm, 100 mm, 125 mm, 150 mm, and 200 mm vents Finish: sleek black Function: adjustable air volume control; balanced airflow design for noise reduction Installation and performance Installs quickly without tools; designed to hold firmly in place and resist falling off during operation. Smooth surface and balanced airflow mechanism reduce turbulence and operational noise while maintaining effective exhaust. Practical use scenarios Bathroom extractor fan: limits strong exhaust bursts and cuts down noise during showering or ventilation cycles. Kitchen exhaust or range hood ducting: controls airflow from the exhaust line and provides a clean, lowprofile finish. Basement, utility, or laundry room vents: secures duct openings and moderates airflow to prevent overventing and excessive sound. Reliable, simple, and functional — a practical cover for any indoor exhaust duct requiring adjustable airflow control, noise reduction, and a secure, tool fit.