Filterbuy 16x25x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack

I had a new unit installed and the fan runs continuously. But my electric usage is down. I have four cats and one large hairy dog; live in a dusty environment and need to change filters every two weeks. The big box store was charging almost a dollar more for a MERV 5 filter and I had to bend them to get them to fit, which left gaps along the sides. These filters fit and they cost quit a bit less than what I would have paid for a MERV 8 in store.

I wanted to see if I could remove the filter material and mesh from a used merv 8 filter, to use the paperboard frame for another purpose. No way; it was like trying to disassemble a unibody car! No wonder these filters hold their shape so well. They're built like tanks