Photo 1 of Provirtec Genuine AP-01 & AP-01A Air Purifier Replacement Filter, 4-in-1 Activated Carbon Filter, 99.99% High Efficiency HEPA Filter for 0.3 Micron Particles (Not suitable for other models and brands)

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Photo 1 of Provirtec Genuine AP-01 & AP-01A Air Purifier Replacement Filter, 4-in-1 Activated Carbon Filter, 99.99% High Efficiency HEPA Filter for 0.3 Micron Particles (Not suitable for other models and brands)Photo 2 of Provirtec Genuine AP-01 & AP-01A Air Purifier Replacement Filter, 4-in-1 Activated Carbon Filter, 99.99% High Efficiency HEPA Filter for 0.3 Micron Particles (Not suitable for other models and brands)