AIRDOCTOR AD3000 / AD3500 Fits Both Models Genuine Filter Replacements – One Year Combo Pack Includes: 1 UltraHEPA Filter & 2 Carbon/Gas Trap/VOC & Pre-Filters (AD3500 / AD3000 One Year Combo Pack)Supply

True Perfect Compatibility With AD3000 & AD3500: 2 Genuine AirDoctor UltraHEPA filters and 2 Genuine AirDoctor Carbon VOC filters with pre-filters attached, the only filters that are compatible with the AirDoctor 3000 and 3500

Updated Design: Our thoughtfully designed new filter eliminates guesswork and simplifies the installation process with a foolproof alignment, with only one way to fit the filters in

Replacement: Replace the dual-action VOC carbon filter every 6 months and the UltraHEPA filter every 12 months (under normal use) for best performance

Cutting-Edge Technology: UltraHEPA captures airborne contaminants such as dust, smoke, pet hair, dander as small as .003 microns in size – 100 times smaller than the HEPA standard!

Advanced Filatration: Our VOC Carbon filters are catalyzed with potassium permanganate to capture odors (cooking, pets), dangerous ozone (smog) and gasses and chemicals (VOCs) such as formaldehyde.

Cost-Efficient: Save money in the long run with genuine AirDoctor filters, as they are the only ones guaranteed to work with your AD3500 and AD3000. PLEASE CONFIRM that your unit is the AIRDOCTOR 3000 OR 3500 BEFORE PURCHASING these FILTERS.