The Winix G Replacement  HEPA Filter removes up to 99.97% of airborne pollutants down to 0.3 microns. The washable Winix G Filter (previously known as size 21 filter) can be washed up to 3 times before you need to replace it. 

Ideal For

This is an ideal filter choice for your Winix air purifier if you need a replacement HEPA filter and already have plenty of carbon filters. Use this filter in conjunction with the Winix 115119 carbon pre-filters (sold separately). 

Filter Features

• Includes 1 washable HEPA filter:
  • Removes 99.97% of all airborne pollutants as small as 0.3 microns.
  • Can be washed up to 3 times in one year.

Filter Dimensions

Approximate filter dimensions:

• 16.4"(H) x 12.5"(W) x 1.3"(D)

Compatible Models

This Winix G filter (model 115122) fits these models: 

• PlasmaWave 5500