Standard Gravity Shutter Grille Automatic Backdraft Protection for Efficient Ventilation

Standard Gravity Shutter Grille is designed to allow air to flow freely in one direction while automatically closing when airflow stops. Featuring gravity-operated shutters, this grille helps prevent backdrafts, insects, and debris from entering your home or ventilation system. Its an essential accessory for any exhaust fan, rangehood, or ducted ventilation setupespecially when used in external walls or eaves.

Durable and easy to install, this grille provides a reliable and maintenance-free way to improve air movement while maintaining energy efficiency.

Key Features

• Gravity-Operated Louvres Open automatically with airflow and close when inactive

• Prevents Backdrafts Keeps cold air, pests, and dust from re-entering the space

• Durable, Weather-Resistant Construction Suitable for external wall or soffit mounting

• Low-Profile, Neutral Design Blends into most exteriors and interiors

• Available in Multiple Sizes Fits standard ducting (commonly 100mm, 125mm, 150mm)

• Easy to Install Simple push-in or screw-in mounting

Standard White or Black Gravity Shutter Grille.