Genuine Hunter H-PF600 replacement pre-filters. Fits Hunter air purifier models HP600, HP600BL, HP600WH, HP600GR. 

• EcoSilver® pre-filter uses silver nanotechnology to prevent the growth of mciroorganisms on the filter, including bacteria and viruses
• Captures large particles such as pet hair and pollen
• Removes harmful VOCs (volatile organic compounds)
• Reduces household odors from cooking, cleaning, smoking and pets
• Recommended to replace every 3 months for maximum efficiency, or more often depending on air quality & environmental factors
• Dimensions: 18-1/2 x 6-1/5 x 1/10 inches
• Package contains 2 replacement pre-filters

Fits