VERPLAS FDADA220 System 220 Rectangular Double Airbrick Adapter 220mm x 90mm White\r\n- Allows quick installation of system 220 Airbricks.- Perfect for flush fitting against ceilings and walls.- For use with extract and Mechanical Heat Recovery systems.- Suitable for use with Mechanical Ventilation with Heat Recovery Systems.- High-quality plastic.\r\nThe VERPLAS FDADA220 System 220 Rectangular Double Airbrick Adapter 220mmx90mm White is suitable for operating temperatures and suitable for use with mechanical ventilation with heat recovery systems. This item is a plastic component and therefore not suitable for use within the external walls of high-rise buildings requiring non-combustible materials. White double airbrick adaptor range used to connect to rectangular ducting. The adaptor allows you to connect to 220mmx90mm rectangular ducting. As a plastic component, this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.\r\nFeatures:\r\n- Product Category: Adaptors.- Product Group: Plastic Ducting.- Colour: White.- Material: Plastic.- Flat System: 220mmx90mm.- Size: 220.- Brand: VERPLAS.- Manufacturer: Verplas.- Condition: New.- High-quality plastic.- Double air brick adaptor.