Nordic Pure 20X24X4M12 2 Pleated Condition: Optimal Air Filtration for a Cleaner Environment Review

The size on the box doesn't match the actual size, so it doesn't fit the ceiling. I need to fix this by making the hole smaller, adding some cardboard etc where it fits to ensure no air can bypass the filter rendering it useless. Shipping took much longer than promised so I will not be buying from Revain again.

Arrived damaged in a thin, unstructured box unsuitable for shipping. One of the transit passengers sealed most of the damage to the crate with duct tape. If they were for my oven, the filters would be useless; However, they are for a homemade smoke filter and I can repair them well enough for that purpose. Are these really Nordic Pure filters? That's what it says on the packaging, the filters themselves have no meaning at all. Are they really Merv 15? No way to confirm. They look something like

Although the contents or substance of these filters look and feel different, I have found them to be very effective at trapping airborne contaminants/particulates, perhaps even better than leading filters. competitor/manufacturer. Nordic Pure offers a variety of filter sizes to suit most needs and most stove systems. They even sell and make screen filters which I also bought. Not only do I shop, choose, and buy for my home system, I also buy them for my mother's apartment and three stoves for…