Polyaire's Round Outside Air Louvres (OAL-R) are designed to provide weather protection of outside air or discharge openings to allow free passage of air. These external louvres may also be used for natural ventilation.

Universal outlets or Double Deflection Grilles are generally used in sidewall applications. They consist of two separate rows of individually adjustable vanes - front and rear.

Polyaire Model OBD Opposed Blade Dampers are commonly used as a volume control device in supply, return and exhaust air systems.

Universal outlets or Double Deflection Grilles are generally used in sidewall applications. They consist of two separate rows of individually adjustable vanes - front and rear.

Polyaire Model DG-FC Door Relief Grilles are designed for use indoors where constant air transfer is required along with non-vision (sight proof).

Universal outlets or Double Deflection Grilles are generally used in sidewall applications. They consist of two separate rows of individually adjustable vanes - front and rear.

The Jet Ball Diffuser has been designed for long distance air throw applications providing an aesthetic alternative for handling large volumes of air.

Universal outlets or Double Deflection Grilles are generally used in sidewall applications. They consist of two separate rows of individually adjustable vanes - front and rear.