Duct filter box provides air filtration in round ducts with connection diameter of 3.94" Inches.
These filter boxes feature a galvanized steel sheet casing sealed with clasps at the top and connectors featuring EPDM rubber gaskets.
Engineered for easy filter element replacement, the duct filter box features a dedicated design for user convenience.
Filter options include diagonally inserted framed I-shaped filter elements with EU3 and EU5 filtration class and W-shaped pleated filter elements with EU3 filtration class, both containing a galvanized steel wire mesh and frame.
Filter box dimensions: 6.30" x 6.30" x 5.91" Inches. Please keep those measurements in mind for choosing a suitable filter element. Filters are sold separately and not included in this product.
