Intumescent Air Transfer Vent Grille 150 x 150mm Hammered Certified to BS EN 1906

Certified to BS EN 1906

Anticlockwise when the hinges are on the left

Bronze Plated

Available in three lengths

It can be secured in any position by screwing down the knob which clamps the arm

Intumescent Air Transfer Vent Grille 150 x 150mm Hammered Certified to BS EN 1906Air 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 fire. Matching face plate cover available (ES420) sold separately. All air transfer grille systems are tested to BS476 part 20 part22: 1987 30 and 60 minute fire rated. Comes with a 10 year