Cover attachmentScrew tight
Mounting perforation in bottomNo
Material insulating materialGlass fibre enforced light concrete
Number of flame durable sides3
With bottom perforationNo
Suitable for cable protectionNo
Fire resistance class I - installation duct120
Fire resistance class E - circuit integrity90
Suitable for application central air supply and -exhaustNo
With inspection openingNo
Suitable for application in the exhaust gas areaNo
With device connection openingNo