Ventilation Rectangle Duct Access Door
1),Type A: 290*130mm;
2),Type B: 290*200mm;
4),Type D: 550*420mm;
5),Type E: 700*550mm;
Material: Gavlnized steel Z275, with a thermal and acoustic 25mm fibreglass insulation and two quick-acting closures.
The three small sizes are with strong steel wire safety chain.
Removable access panel door
Installation: Mounted on the flat side of rectangular ducts for inspection and maintainence to the ducts
Packing: carton case + pallet