Duct mounted filters are designed for filtering air flowing through circular, spiral ducts. The duct filter box is provided with a class EU4 filter element
secured with a galvanized steel wire mesh on both sides. The casing of filter box is made of a round, galvanized sheet duct piece
with spigots fitted with seals for airtight connection.
Duct mounted filter boxes are equipped with a toggle clamp that allows easy replacement
of the filter element. Filter replacements for UFI filter box are available - UFI-W. The UFI duct filters are designed for installation
between the two sections of spiral duct in the standard diameter range (100-400 mm).
