Polyaire's Sqaure Outside Air Louvres (OAL-S) 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.

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

The Polyaire PSC Swirl Diffuser has fixed blades that create rotational as well as axial, tangential and radial air movement.

The Polyaire PSC Swirl Diffuser has fixed blades that create rotational as well as axial, tangential and radial air movement.

The Polyaire PSC Swirl Diffuser has fixed blades that create rotational as well as axial, tangential and radial air movement.

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.

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.

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.