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