Thank you for viewing. Unicharm DeoSheet Deodorizing Lab Toilet System Wide Size Main Unit Set [Set Contents] ・Dedicated toilet main unit: 1 ・Filter: 2 ・Deodorizing mat: 4 This is a deodorizing toilet system that eliminates odors even without changing it for 3 days. I won it in a lottery, but I'm selling it because I don't use it. It's new and unopened. Although it is new and unused, please understand that it has been stored at home. Immediate purchase is welcome. It will be shipped in the original box.