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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
The knob is mounted on a concealed fix rose thus no fixings are visible
The back plate has an raised edging feature elevating this above the ordinary to a deluxe standard
The Alexander and Wilks Hammered Thumbturn and Release feature a hammered pattern on the thumbturn set against a smooth round rose
To suit doors 40mm - 80mm thick
Intumescent Air Transfer Vent Grille 150 x 150mm Antique Brass The knob is mounted onAir 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
