Door Relief Grille 450 x 200mm Neck / 480 x 230mm Face

Double Deflection Registers 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.

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

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

Double Deflection Registers 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.

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.