THERMWELL Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 2-1/4 by 42-Inch

Arrived as stated and does the job I bought it for. I use these for around my window a/c unit but I also live in a VERY old apt that has many cracks! These can be cut easily for use in sealing cracks around old windows in conjunction with the plastic I also use and these work wonderfully. Easy to install and I suggest the grey.Good quality! Good packaging! Great seller! Recommend!!

I purchased this to fill the space between two windowpanes in a side-to-side sliding window after installing a window air conditioner. There was about an inch of space between the panes in a high wind area with typical winds of 20mph and frequent 30mph gusts in normal weather conditions. Everything I tried quite literally blew right out of place. I decided to give this a try and ordered the 2-1/4 inch size, so that I had plenty of room to squish it down and let it expand into place. It worked great! It was easy to install. I just pressed it down as sliding into place a little at a time and then adjusted it to make sure it was straight and aligned with the window to ensure it looks nice. The foam is sturdy, yet easy to squish to install. It took less than 5 minutes to seal both window spaces inside and outside. It expanded into place and is tightly packed. The winds (and dirt they bring) don't stand a chance!

It's foam. I use it to close the gap on the top of the open windows when I put the a/c in. Works good for a few times. Then I gotta buy more. Does the job. I buy the 4 inch so I can squeeze it in there and get a good seal.

So I bought an air conditioner and it's fine in my window but unfortunately the bottom half of the window is left wide open. In come this foam to the rescue. It's covered up that open portion and while it's not a perfect seal it still retain the coolness in my room. Besides the occasional bug that manages to slip by it the foam is decent.

Used as stuffing to keep bats out of barn roof. Works well and easy to use. Good thickness and length.

Always keep a portable AC unit around the house in case of AC failure. These help seal up the window you use to exhaust the portable AC's air to the outside. I'm sure there are many other uses.

Great insulation and easy to install

Easy to use, compresses well during install. Does its job, but lasts only a season or two. Dries out and crumbles.