Series 33G

Series 33G grilles, supply, extract or air transfers, are suitable for side walls, partition or door application. The grilles face is horizontal and uni-directional. Recommended for use with intumescent fire dampers. Supply Grilles & Registers Series 44R grilles are vertical and bi-directional, with damper fitted to the rear. Construction In both cases the grilles are manufactured in pressed steel with Pre-set angled vanes at 45 degrees and 0.25″ centres. The steel damper is mounted to the grilles face to from an integral unit. Damper operation is by a front face lever arm. Standard finish white. Standard Fixing Grilles are Pre-Punched and supplied with fixing screws.