The replacement filter A is compatible with Winix plasma wave air purifier cleaner models 6300 P300 5300 5500 5300-2 6300-2 C535 5500-2 WAC5300 WAC5500 WAC6300 5200-2. For optimal performance, it is recommended to change the True HEPA Filter once every 6 months and the Carbon Filter once every 3 months. T Package contents: 1 HEPA filter, 4 carbon pre-filter, HEPA Filter Dimensions: H: 16.34 x L: 12.60 x W 1.18 and Pre Filter Dimensions: H: 16.26 x L: 12.52 x W 0.2 Shelf D81 (5000b-1) Due to variances in monitor color, and lighting, the color of some items may differ slightly from the photographs About us: Vanessa Jane is a family-owned business based in Indiana. We sell only authentic merchandise from brand new to used, and list new inventory daily. Make sure to put us on your favorites to see what's new each day! We source all of our inventory from reputable sales channels, including: Macy's Amazon Walmart Home Depot Office Depot Lowes Build.com And many more