Dakota Supplies TT MAC 2122 & TT MAC 2020 Installation: Expert Guide and Tips Review

I used these filters on my new AC system. My installer recommended them but I can't get this size in my area. Dakota Supplies offers the best price and shipping for this size online and I will be a customer of yours for a while. I change these filters about every 4-5 months. Those were very good filters.

I had trouble installing this item so an air conditioning repairman did it. He said he had to force it. I previously bought 2 other filters that didn't fit at all and wasted over $100. I think if you buy the right size filter it should fit in that space and not be 3/4 inch smaller. Very frustrating as a consumer. routine maintenance.

Size as described and labeled otherwise looks as advertised. The item is not a true 4 inch as the description clearly states so be sure to measure your air conditioner's filter frame and do not rely on any other manufacturer's filter size. I ordered it knowing the dimensions and hoping it would fit my Lennox but it didn't. I used 3M Filtrete, 20x20x4 (which is actually closer to 4.25 +/-) and it was tight. I was hoping the Dakota brand would be a bit smaller and would fit, but it turned out to…