$799 AirDoctor AD4000 Air Purifier Large Rooms

Updated August 28, 2026

This auction ended on September 3, 2026. See upcoming auctions from ATX Auctions Tulsa.
Lot number10m
AuctionOverstock Product Liquidation Tulsa 9/3
DateSeptember 3, 2026 at 6:00 PM CDT
Auction houseATX Auctions Tulsa
LocationTulsa, Oklahoma

Condition: NEW- Functional?: Yes Missing Parts?: No ASIN: B0GY274753 Color: Matte White IDEAL FOR LARGE BEDROOMS, KITCHENS & SHARED SPACES Ideal for large bedrooms, kitchens, and larger shared spaces. Rapidly cleans 694 ft2 in 15 minutes & up to 2,776 ft2 in 1 hour, delivering consistent purification where you sleep, work, and relax. HOSPITAL-GRADE ULTRAHEPA FILTRATION AirDoctor AD4000 uses UltraHEPA filtration to capture 99.99% of airborne particles at 0.003 microns, 100x smaller than the HEPA standard. Removes dust, smoke, pet dander, and more PREMIUM ACTIVATED CARBON FILTER FOR GASES & ODORS: Reduces toxic gases, odors, pet smells, cooking fumes, gas emissions, wildfire smoke, and VOCs. Made with activated carbon and potassium permanganate to absorb and break down gases and airborne chemicals REMOVES COMMON INDOOR AIRBORNE POLLUTANTS: 3-stage filtration, backed by rigorous third-party testing, removes dust, smoke, pet dander, pollen, and odors. Includes a Pre-Filter, Premium Activated Carbon filter, and UltraHEPA filter AUTO MODE WITH AIRDOCTOR HALO: PM2.5 sensors monitor air in real time while the Halo displays color-coded quality levels. Auto Mode adjusts fan speed and activates Boost when needed. Includes timer, filter indicator, and 6 fan speeds PROVEN BY SCIENCE, BACKED BY TESTING: Supported by independent third-party testing and built on a commitment to transparency, performance, and scientific validation QUIET OPERATION: Designed for whisper-quiet performance so you can enjoy clean air without disruption. Runs quietly day and night while you sleep, work, or relax SUPPORT YOUR WELLNESS ROUTINE: Cleaner air supports better sleep, breathing, and overall wellness GENUINE REPLACEMENT FILTERS: For optimal performance, use genuine AirDoctor filters. All-in-one filter system. Replace every 6 months. UltraHEPA filters are made in Japan for durability, performance, and long-lasting reliability FSA AND HSA ELIGIBLE Eligible for FSA and HSA reimbursement so you can use pre-tax dollars toward cleaner air and better wellness.

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