Square Outside Air Louvre 350 x 350mm Neck / 404 x 404mm Face

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

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

Polyaire's range of square ceiliing diffusers are designed to provide excellent directional performance. 

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

RAG - H Grille Kit with return air box, to suit 300mm, 350mm and 400mm Duct sizes.

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

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.