PureIllusion Scientifically Tested PreFilter for IQAir HealthPro Series Air Purifier - Ultra Premium Filter fits PreMax Module - Genuine Crystalline Pre Filter

NASA Talent: Product development is led by a former NASA engineer; Brainpower with a history in space, making life better here at home | Ultimate Pre Filtration: Includes Genuine Crystalline Ultra Premium Stage 1 Pre-Filter; easy-to-follow illustrated installation instructions; thank you card and complimentary product support | No Compromises: Crystalline Trade Secret Pre Filtration Technology provides >= 90% .3 micron capture, as opposed to >= 55%; increased performance without restricting purifier airflow (CFM) | Scientific Validation: Using TSI-8130 according to EN1822-3 standards to ensure proper performance; Watch our "What About Particle Size?" video for detailed information | Ultimate Compatibility: Manufactured to strict tolerances; Crystalline Stages F1, F2, and F3 are compatible with IQAir PreMax Module, IQAir V5 Cell Module, and IQ Air Hyper Hepa Module respectively | Independent Testing: SGS performed independent testing on PureIllusion Crystalline Prefilter on September 15, 2025 (Download Document in Section Below - Safety and product resources, Saftey Documents, Certificate of Analysis) | Independent Testing: SGS performed independent testing on PureIllusion Crystalline Prefilter in combination with PureIllusion Crystalline HEPA Filter on September 15, 2025 (Download Document by visiting PureIllusion Scientifically Tested Filter Bundle Listing - Safety and product resources, Saftey Documents, Certificate of Analysis)