Maintain the performance of your Ductless Mini Split PHI Air Purification System with this genuine Replacement PHI Cell. Designed for easy replacement and long-term reliability, this component ensures your system continues to actively neutralize airborne and surface contaminants, keeping your indoor air clean and fresh year-round. Key Features Genuine manufacturer replacement for the Ductless Mini Split PHI Air Purification System Rated for 18,000–25,000 hours of continuous operation (approximately 2–3 years under normal use) Maintains effective reduction of airborne bacteria, mold spores, viruses, odors, and VOCs No filter changes required—simply replace the PHI cell when service life is reached Quick and simple installation—no special tools required When to Replace The PHI cell should be replaced when the indicator light shows reduced activity or after approximately 18,000–25,000 hours of use to maintain optimal air purification efficiency. Typical replacement intervals are every 2–3 years depending on run-time hours and environmental conditions. Compatibility Compatible with the Ductless Mini Split PHI Air Purification System and associated models. Maintenance Aside from periodic replacement of this cell, the PHI system requires no other maintenance. Continue to clean or replace your ductless unit’s standard filters as recommended by the manufacturer. Included 1 × Genuine Replacement PHI Cell Installation and safety instructions Note: Always power off your system before replacing the PHI cell. For best results, record the replacement date for reference.