oxyvera 2000 replacement filters compatible with air doctor ad2000 & ad2000i air purifiers, includes 2 premium filter, 4 carbon filters & 8 pre-filters, compare to part # adf2001 adf2002 adf2003 14pack is up for auction in Appliances. The current bid is $1.00, 99% below the $109.86 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.