Filter replacement is essential for your air purifier to perform at its best. The activated carbon layer removes certain gases and odors from the air.

• The carbon prefilter not only captures odors and gases, but it also offers the first level of defense against dust and pet hair
• This layer is what needs to be replaced on the HEPA drum filter
• For best results, replace carbon layer filter every 3 months
• Change indicator light is displayed on purifier when filter needs to be replaced
• Compatible with all TruSens Small Air Purifiers. Pack includes 3 filters.