Brand Name: Honeywell *Filter Length: 6.1 in. *Filter Width: 1.5 in. *Shape: Rectangular *Product Type: Pre-Filter *Number in Package: 2 pk *Packaging Type: Boxed *Usage: 3 Months *Removes Odors: Yes *Brand or Model Compatibility: models HFD-120, series HFD-300, HFD-310 and HFD-320 *Feature 2: Captures larger particles such as dust, lint, fibers and pet fur*Feature 5: Fits Honeywell Air Purifier models HFD-120-Q, HFD-300 series, HFD-310 and HFD-32 *Feature 1: Replacement Filter K *Feature 3: Helps absorb some common household VOC gases and fumes *Feature 4: Deodorizes the air, reducing odorswith potassium permanganate calcite