Comment on Air Purification
MaximilianKohler@lemmy.world 5 days agoProbably a 1". I don’t recall seeing a 4". I just checked Target.com, and they only have 1" filters in stores. Where did you get the 4"?
Comment on Air Purification
MaximilianKohler@lemmy.world 5 days agoProbably a 1". I don’t recall seeing a 4". I just checked Target.com, and they only have 1" filters in stores. Where did you get the 4"?
Off ebay (though I’ve seen thicker ones in hardware stores too), they should pop up from searching 20x20x4 Merv filter.
The thicker ones are much freer flowing compared to the thin ones due to their increased surface area, making them comparable to a Corsi box, but easier to move around.