Holmes RLHAPF96 Air Purifier Carbon Pre Filter

Filter replacement every 2 to 3 months, keeps the doctor away. You may have the idea that there is no need to replace your filters yet you complain about your sinuses. The activated carbon pre-filter helps remove large particles and reduce common household odors such as cooking odors, tobacco smoke odors, pet odors, and even musty odors. The only reason why you shouldn't replace your filter is if you want to go to the doctor because your doctor is handsome and single! But if he's not, surely you don't want to wait in the doctor's office for hours!.

• Fits Holmes room air cleaners HAP-560, HAP-570, HAP5604, and WAP-5600, as well as Bionaire models BAP560, BAP560C, BAP570, BAP570-C, and White Westinghouse WAP5600.
• 2 carbon pre-filters per box.
• Measures approximately 9 1/2 x 17 1/2 in.
• Helps remove large particles and reduce common household odors such as cooking odors, tobacco smoke odors, pet odors, musty odors, etc.
• For optimum performance, replace pre-filter every 2 to 3 months.