Construction and materials
This type is designed for outdoor installation in ducts or building openings of premises and consists of two frames. The first frame contains the filter, which is fixed in the mounting hole, and the other frame has the lamellae fixed on it. They are connected to each other by screws, which are pre-installed on the first frame. The lamellas are arranged horizontally, not adjustable. The profiles are coated with heat-resistant powder paint, which provides reliable protection from negative environmental factors and prevents premature wear of the product.
Standard paint color is white, but at the customer’s request it is possible to paint in another color according to the RAL catalog.
Manufacturing
According to the LxH dimensions in 5 mm increments.
At the size L>500mm a separate profile is used.
Order example
NF-45-50 (RAL-9016) 400x300h – frame 1 on the sides is fixed with screws in the end of the building opening, color white, filter G4.
