Mounting perforation in bottomNo
Number of flame durable sides3
Fire resistance class E - circuit integrity30
With bottom perforationNo
Cover attachmentScrew tight
Material insulating materialGlass fibre enforced light concrete
Fire resistance class I - installation duct90
With device connection openingNo
Suitable for application central air supply and -exhaustNo
Suitable for application in the exhaust gas areaNo
Suitable for cable protectionNo
With inspection openingNo