Compatible with Winix D480 Air Cleaner Purifier - Replacement Filter D4, true HEPA air filter. Part No. 1712-0100-00 - Filter size: 17.13 x 14 x 1 inches H13 True HEPA filtration - Captures 99.97% of air particles as small as 0.3 microns - Helps deliver fresher, cleaner air in your space Easy to install - Replace the D480 filter in seconds - Recommended replacement every 12 months for optimal performance Valuable package - Includes 3-pack HEPA filters - Each filter is designed to deliver high efficiency; a 3-pack provides enough supply for about 3 years when replaced annually Use scenarios - Living room or bedroom: improves air quality for better comfort and health - Home office or workspace: helps reduce dust and particle buildup from printers and electronics - Homes with pets or frequent cooking: lowers pet dander, dust, and odors to maintain a cleaner environment