SKU: 487382Barcode: 5056110899381Size mm: 305 x 70Size inch: 12Colour: Silver
£16.44 Excl. VAT £19.73 Incl. VAT
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This 305 x 70mm telescopic intumescent letterbox is designed for fire door assemblies, combining an ABS frame with metal flaps and a high performance liner that expands in fire conditions to help restrict smoke and fire spread. Suitable for 40mm to 80mm door thickness, it features brush pile draught excluders, a sealed backplate, sound dampening bumpers and compliance with relevant fire, smoke, acoustic and security test standards.
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