I was glad some of the other reviewers pointed out that some of the suggestions were for CF2 and didn't match the Kenmore machine we had. I checked the manual and indeed we needed a CF1 filter. When I received them I put one in and it fit perfectly. That's one of the reasons I read reviews. It helps to learn from other people who have used the products and get helpful tips so I don't buy the wrong things. So, my advice: be sure to check whether you need CF1 (which is larger) or CF2 (which is smaller). They arrived well packaged in two days. I'm glad I checked the size and glad I bought it.