Review on 🌀 Nordic Pure 20x25x4 Pleated Furnace Filter by Dustin Citizen

First of all they have nothing to do with the 4" filter. Fit in my 4" filter well. You can tell from the picture they are literally 1 inch thinner than my Honeywell filters. Second, there was no marking whatsoever on the filter other than the size. No manufacturer, no Merv rating, no filter costs, no specs. Nothing. Nada. No markings on the box. Nothing! These might be the cheapest Chinese filters you can get with a Merv 3 rating as far as I know. DO NOT BUY THESE THINGS. 4" filters and I'm not even sure I trust them to filter properly. Sending them back!