Amazing Air AD2000E 4-in-1 Air Purifier | Small & Medium Rooms with UltraHEPA, Carbon & VOC Filters Air Quality Sensor Automatically Adjusts Filtration Captures Particles 100x Smaller Than HEPA Std.

AIRDOCTOR AD2000 Air Purifier for Small & Medium Rooms and Small Bedrooms. 3 Stage Filtration with Pre-Filter, UltraHEPA, Carbon/VOC (AirDoctor 2000)

AIRDOCTOR AD3500 Air Purifier for Home and Large Rooms Up to 1260 sq. ft. 2x/hour | UltraHEPA, Carbon, VOC Filters and Air Quality Sensor. Captures Particles 100x Smaller Than HEPA (AirDoctor 3500)

AIRDOCTOR AD2000 Genuine Filter Replacement - One Year Combo Pack Includes: One (1) UltraHEPA & Two (2) Carbon/Gas Trap/VOC & Pre-Filters