Zehnder Fire Rated Airbrick and Ducting Kit for Rectangular Ducting 471 234 250 you can switch to the

you can switch to the current temperature reading

on-demand power

Vent Axia 125mm Wall Mounting Kit Brown

used at normal dust content

Displacement (nominal) 251 ltr/Min (8

Zehnder Fire Rated Airbrick and Ducting Kit for Rectangular Ducting 471 234 250 you can switch to theFire Rated Airbrick and Ducting Kits: The firerated airbrick and duct transition kits are designed for integration into external wall constructions during the build phase, in accordance with Building Regulations Approved Document B (Fire Safety). The airbrick incorporates a pictureframe surround to facilitate accurate positioning and straightforward installation. A mechanically fixed mounting system is employed to provide a secure, stable, and durable