Circular Iron Air Vent | Galvanized Steel Round Exhaust Vent

Anti-rust, backdraft-free round vent for kitchen, bathroom and HVAC exhaust systems

PRODUCT DESCRIPTION:

Galvanized Steel Construction – Rust-resistant iron vent, built for humid kitchens and bathrooms

Built-in Backdraft Prevention – One-way flap closes automatically, blocking reverse airflow, smoke and odors

Anti-Rust & Durable – Corrosion-resistant galvanized surface for long service life.

Wide Size Range – Φ100–400mm (4-16 inch) fits standard exhaust ducts.

Easy Installation – Quick insert fit for ducting, horizontal or vertical mounting

Factory Direct & Customizable – Custom sizes, logo and packaging with OEM/ODM support.

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Product Details

The Circular Iron Air Vent is a galvanized steel round vent designed for kitchen, bathroom and HVAC exhaust systems. Its built-in backdraft prevention flap stops reverse airflow, smoke and odors, while the rust-resistant galvanized finish keeps it clean and durable in humid environments. Available from 100mm to 400mm (4-16 inch), this circular air vent is a practical choice for residential and commercial ventilation projects.

Product Data

A circular iron air vent is a one-way ventilation outlet installed on exhaust ducts to release indoor air while preventing outside air, smoke and odors from flowing back in. It is widely used in kitchen range hood exhaust, bathroom exhaust fans and HVAC ventilation systems.

Why choose galvanized steel? Compared with plastic vents, a galvanized steel circular air vent is more durable, heat-resistant and corrosion-resistant, keeping its appearance in humid and high-temperature environments such as kitchens and bathrooms.

The built-in backdraft prevention flap closes automatically by gravity when the fan stops, blocking cold drafts, insects and odors – a simple and reliable solution for clean indoor air

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