General
Outside height	49 mm
Outside width	54 mm
Inner height	49 mm
Inner width	54 mm
Useful cross section	2646 mm²
Material insulating material	Other
Sheathing	Steel
Surface protection	Continuously galvanized and coated
Colour	Other
Suitable for outdoor installation

Sliding sleeve fire protection duct FWK 90 functional retention E60/E30 50x60mm galvanized. System accessories for fire-resistant cable routing duct FWK90 - E60 according to DIN4102-12 for functional retention during wall and ceiling mounting.