Door Relief Grille 600 x 150mm Neck / 630 x 180mm Face

Double Deflection Registers 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.

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).

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

The Polyaire PSA Swirl Diffuser promotes high entrainment of ambient air into the supply air stream.

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.