Carlisle Brass Intumescent Air Transfer Vent Grille 112 x 225mm Door Foot Pull Colchester is a perfect option

Colchester is a perfect option when restoring period properties

Alternative Product Option: FMSKPC

Matching KEY Escutcheon: FMSKSC

Finish: Gunmetal Grey

Carlisle Brass Intumescent Air Transfer Vent Grille 112 x 225mm Door Foot Pull Colchester is a perfect optionAir 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 (ES423) 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