General
Outside height	88 mm
Outside width	250 mm
Inner height	50 mm
Inner width	209 mm
Useful cross section	10450 mm²
Material insulating material	Other
Sheathing	Steel
Surface protection	Continuously galvanized and coated
Colour	Other
Suitable for outdoor installation

Sliding sleeve for fire protection duct FWK 30/FWK 3E I90/E30 50x210mm galvanized. System accessories for fire-resistant cable routing duct FWK30 for wall and ceiling mounting - I90 according to DIN4102-11 to protect the escape and rescue route and FWK3E for wall and ceiling mounting - E30 according to DIN4102-12 to maintain functionality.