Filter B

Compatible with Winix air cleaner models WINIX U300


The WINIX filter B is a complete All-in-One filter set for the WINIX Air Purifier U300. This filter set consists of a complete cassette with a pre-filter, a HEPA filter and an active carbon filter.

The pre-filter collects larger dust particles, lint and pet hair so that the other filters last longer.The active carbon filter reduces domestic odors and strong indoor odors such as odors from cooking odors, pets, cigarette smoke and other volatile organic compounds. The HEPA filter cleans 99.97% of all dust particles and impurities (as small as 0.3 micron) including fine dust, pollen, allergies, mold spores and dander.

This All-in-One filter cassette B for the WINIX Air Purifier U300 is offered as one package. The WINIX filter B is only suitable for the Air Purifier WINIX U300.

Filter B EN

NOTE: This filter is not for WINIX P300. This is a filter for the WINIX U300 (WACU300). 

If your air purifier has a dark blue/black on the sides and top, filter WRF30-HC is the right filter.

Overview Winix product codes

  • 1 pre-filter
  • 1 HEPA filter
  • 1 Active Carbon filter