Filter-Monster Filter Bundle Compatible with Winix A320 and A321 Air Purifier, 1 HEPA Filter

MODEL COMPATIBILITY: The Filter-Monster Air Purifier Filter Replacement is compatible with Winix A320 and A321 Air Purifiers and 1712-0110-00 Filter | REPLACEMENT TIME: Depending on air quality environment and usage, it is recommended to replace the filter every twelve (12) months to help ensure the air purifier is running efficiently. | HEPA FILTER: This filter pack bundle includes 1 HEPA Filter | DIMENSIONS: This filter's approximate dimensions are- Length: 8 inches, Width- 8 inches, Height- 5.94 inches, Weight- 0.46 pounds | 25 YEARS OF FILTER-MONSTER: Backed by over 25 years of expertise, Filter-Monster is committed to delivering filtration solutions that combine trusted performance, reliability, and value, giving you the confidence to breathe cleaner, healthier air every day.