4 documented profiles
20x25x5 air filters
Compare four manufacturer-published actual sizes, plus documented Trion Air Bear MERV 8, 11, and 13 models.
Compare 20x25x5 filtersAir filter sizes: start with the label, confirm the fit
A nominal size is the rounded category printed on a filter. Actual dimensions are the physical measurements published by the manufacturer. FiltersFit.com keeps those two values separate so you can compare realistic candidates before choosing MERV or opening a retailer.