Air filter for ventilation systems. With flanges on both sides for installation in rectangular ventilation ducts. Inspection flap can be removed for easy filter replacement. Accessories: replacement air filter KF.. and differential pressure monitor DW 1000. Article: TFP 31, Installation location: duct, Installation position: vertical / horizontal, Housing material: galvanized sheet steel, Weight: 12.75 kg, Weight with packaging: 12.8 kg, Filter class: ISO Coarse 85% (G4), Duct dimensions: 600 mm x 350 mm, Width: 640 mm, Height: 390 mm, Depth: 600 mm, Width with packaging: 640 mm, Height with packaging: 390 mm, Depth with packaging: 600 mm, Conveyor temperature at IMax: 70 °C