PureIllusion Independently Tested Prefilter for IQAir HealthPro Series Air Purifiers, Ultra Premium Replacement Filter fits Premax Module — Open-Box, 19% Off

AIRFLOW MATTERS: Filtration efficiency changes with airflow. PureIllusion Crystalline was independently tested by SGS at a stated flow rate of 240 m3/hr under controlled conditions, giving shoppers meaningful context for the reported efficiency

STAGE 1 PRE FILTRATION: Pleated media is built for course particle capture upstream of the final filter stage, helping the combined filtration stack work as designed

INDEPENDENT SGS TESTING: At 240 m3/hr, SGS reported 96.81% fractional efficiency at the 95% confidence level for 0.10-0.15 micron particles. View the Certificate of Analysis PDF in Product guides and documents or Safety and product resources

COMPATIBLE PRE-FILTER REPLACEMENT: One Stage 1 replacement air filter for IQAir HealthPro series air purifiers. Compatible with HealthPro, HealthPro Plus, and HealthPro Compact models, including XE variants, and designed to fit the PreMax filter module

TESTED SYSTEM PERFORMANCE: In separate SGS combination testing, this Prefilter paired with the PureIllusion Crystalline HEPA Filter measured greater than 99.99% fractional efficiency across the reported 0.10-0.30 micron particle bands at 240 m3/hr. HEPA Filter sold separately.

EPA ESTABLISHMENT TRACEABILITY: Manufactured in registered EPA establishments with labeled EPA Est. No. and production traceability.

PRECISION ENGINEERED: Designed by a former NASA engineer for confident installation, airflow, efficiency, and fit. Includes one PureIllusion Crystalline Prefilter, illustrated installation instructions, and complimentary product support.

Meet the Crystalline Stage 1 Ultra Premium Pre Filter... A scientifically tested boutique filter replacement designed and manufactured by PureIllusion. Crystalline Stage 1 is a tailor-made compatible direct-fit iq air filter replacement designed for the PreMax Module of iqair healthpro plus air purifier systems, which include the HealthPro, HealthPro Plus, and HealthPro Compact air purification systems. PureIllusion never compromises when it comes to fresh clean crisp-smelling air. We have gone to great lengths to manufacture a direct-fit filtration line for the Health Pro Pre Max Module. When installed in your filtration system you will notice Crystalline Stage 1 has the same precise fit as the original equipment filter. To ensure high quality filtration PureIllusion tapped a former NASA Engineer to lead Crystalline product development. The product line has been scientifically tested to ensure proper filtration (see product images and data below). Crystalline Stage 1 utilizes a scientifically tested F8 synthetic pleated media qualified for pre-filtration. It undergoes scheduled quality control according to EN1822-3 standards using a TSI-8130. The media pass requirement includes an efficiency >= 90% .3 micron, with a resistance >= 13 Pa, and a weight of 22gsm within +- deltas. Regular prefilter replacement protects the internal components of your health pro plus air purifier while maximizing system performance. Upgrade your filters to PureIllusion Crystalline today for Ultra Premium Filtration!!!