The people complaining about those honeywell filters have air handlers designed to use proprietary filters. The best endorsement for this filter comes from my tech who is hired by the folks who installed the furnace and a-c and sells a competitor.

This product is not 4 wide. If you ask for 16 x 25 x 4 the real measures are 15. These should be listed as their actual size, nominal is nonsense.

The deliberate undersizing creates areas for the air to travel around the filter totally negating the purpose of an air filter. Leaves a gap when installed that allows air to avoid the filter. This is much smaller making it really loose in my filter h...  Read More

The listing is for a 16x24x4 filter. Buyer pay close attention to the specific dimensions of these filters noted on the amazon page.

This filter is undersized and doesn't show the merv rating. This means it can't filter effectively because of the amount of airflow around it. They are also very flimsy compared to other filters.