INTUMESCENT AIR TRANSFER GRILLE 112MM X 225MM

INTUMESCENT AIR TRANSFER GRILLE 112MM X 225MM

ES403

Carlisle Brass



Air transfer vent grille designed for use in fire resisting doorsets and compartment walls. When dormant, the grilles allow air to circulate throughout the building. In the event of a fire they are designed to close and restrict the flow of hot gasses and