RPLC CRBN FLTR RND 6" *Brand Name: Winix *Height: 6 in. *Width: 8 in. *Shape: Round *HEPA: Yes *Product Type: Replacement Carbon Filter *Number in Package: 1 pk *Packaging Type: Boxed *Brand or Model Compatibility: Winix Air Purifier Unit A230 and A231 *Removes Odors: Yes *Filters Smoke: Yes