Totaline FO20X20X1-RTL Carbon Air Cleaner Filters Pack Of 4

HEPA filtration to remove 99.97% of all airborne particulates as small as 0.3 microns. This includes tobacco smoke, bacteria, dust mites, mold spores, pet dander, and pollen. Removing these pollutants can vastly improve your air quality and your breathing.

• Fits Totaline whole house HEPA air cleaner model P102-550.
• Totaline 20 x 20 x 1 in. (nominal size) carbon pre-filter.
• Actually measures 19.5 x 19.5 x 3/4 in.
• For optimum performance, change filter every 3 months.