Price: $39.99 - $44.99
(as of Dec 20, 2025 12:58:12 UTC – Details)
Product description





The Filter Bros Hand-Crafted Living Advanced Filter A size 21 is Compatible with Winix 115115 HEPA air filter purifiers – and is a replacement set that is also compatible with Winix Plasmawave Series Machines: 6300, P300, 5000, 5000b, 5300, 5500, 5500-2, 5300-2, 6300-2, 9000, 9500, AM90 and C535.
How do Filter Bros HEPA like filters work? Our filters use close knit woven fibers to trap particulates as small as .3 microns to keep the air in your home pure and fresh.
The use of the filter Bros 115115 Plasmawave air purifier replacement part size 21 A will maintain the air purifier’s performance. NOTE: For the 5500-2 model, please use the included charcoal and HEPA filters, don’t use the washable charcoal filter that came with the machine. For the 9500 model, please do not use the machine’s cage and instead insert the filter directly into the machine.
Genuine Filter Bros 115115 Size 21 Filter ‘A’ is a full 1 year replacement set that is fully compatible with Winix Plasmawave series machines: 6300, P300, 5000, 5000b, 5300, 5500, 5500-2, 5300-2, 6300-2, 9000, 9500, AM90 and C535. This filter measures: 16.25 x 12.5 x 1.25 inches.
115115 replacement filter A compatible with Winix machines, change HEPA once every 12 months and carbon filter once every 3 months. 4 disposable activated carbon pre-filters are included to last the life of the HEPA filter and help reduce odors and trap large particles.
Size 21 Hepa air filter is a performance purifier filter that captures up to 99.97% of particles as small as 0.3 micron. Reduce a range of particulates, and odors, for fresh pure air.
Filter Bros replacement filters compatible with Winix plasmawave air purifiers includes 1 HEPA plus 4 carbon filters 115115 size 21. Silent purifiers are a great indoor home purification system. Our filters help by purifying and ensuring a cleaner household. Particulates are removed by the filters to keep smells and particulates out.









