“This filter is the correct type for the four inch filter boxes. I tried the cheaper, non-OEM filter but they do NOT work right. These work perfectly because they are the right fit and they have the grooved end pieces that slide into the box grooves properly”
“For some reason all of the other brands of the 213 filter that's for a retrofitted system, don't fit without extra parts and things. This one, I pull it out of the box, I line up the rails, and slide it in. It just works. Why can't the rest be this way?”
“I’ve been using the April Aire 210 Furnace Air Filter, and it’s been great! It was easy to install, and I quickly noticed cleaner, fresher air in my home. It does a good job of catching dust and allergens, and I don’t have to replace it often. My HVAC system also seems to run better now. I’m really happy with this filter and recommend it to anyone wanting better air quality!”
