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.

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 RAG-X from Polyaire is an injection moulded high strength plastic complete Return Air assembly designed for more efficient installation, operation and maintenance.

The Polyaire Linear Slot Diffusers are an attractive alternative to the ceiling or high sidewall supply diffusers. 

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'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.

The Polyaire Avair Ceiling Grille has been designed to provide a versatile and practical louvre grille.

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