Aftermarket replacement Winix 115115 PlasmaWave Series Size 21 Carbon Pre-Filter 4 Pack by CFS

Aftermarket replacement Winix 115115 PlasmaWave Series Size 21 Carbon Pre-Filter 4 Pack by CFS Size 21 - Additional Odor Control Carbon Pre-Filters - Set of 4 Compatible Filters Size 21 - Additional Odor Control Carbon Pre-Filters - Set of 4. Clean air, perfected! Winix's Size 21 Odor Control Carbon Pre-Filters Activated Carbon Pre-Filter remove household odors, hair, lint and other large particles-helping to extend the life of the HEPA Filter and reduce housekeeping. These filters fit the 3-Stage True HEPA Air Cleaner with PlasmaWave Technology, the 3-Stage True HEPA Air Cleaner with PlasmaWave Technology and Washable HEPA filter, and the FresHome Model P300 True HEPA Air Cleaner with PlasmaWave Technology. Materials: Filter Paper/Carbon. Dimensions: 12.4"L x 16"W x 0.8"H Weight: 0.2 lbs