🦆 Duck Conditioner Insulating: High-Performance 2.25 Inch 284423 for Optimal Results Review

This product has exceeded all expectations. The foam is nice and thick, which makes installation (cutting and inserting into the gap) more difficult, but provides a better seal. It's also very long, so I was able to use the excess to caulk the bottom of the air conditioner (my window size is average; 30 inches).

I bought two of these filters for the top and bottom of a window air conditioner. They're great, as thick as you want, as long as you want, as flexible as you want. No more hot air gets into the room. When was the last time you bought something that wasn't junk for less than two dollars?

I could not find this material locally. I have a house from the late 1800's with original windows. The flimsy material that came with my window air conditioners wasn't thick enough to seal the gaps in my windows with the air conditioner installed. This stuff does the job. To make it a little more airtight I wrapped it in clear kitchen plastic wrap, but that's just me. I bought a few of these because they get harder to find every time I need them. This material is locally produced, and a few…