Filter is too undersized & allows unfiltered air to bypass the filter defeating the merv 11 rating. They filterbuy filters result in gaps between the side guides and at the top of the filter cage.

Buyer beware. How they have the audacity to advertise them as this is aggravating!

Filters are not 16x25x4 as marked. Billed as a replacement filter for the oem but doesn't fit my unit. While this filter is of reasonable quality, it is much smaller than a comparable honeywell. What makes it even less suitable, is that the honeywell ...  Read More

The advertised size says 16x25x4. When i opened the box it says that, but then underneath it says actual size. Your specs and advertised sizes are listed as 16 x 25 x 4. They are all short by.