Vornado's automatic filter refill program offer a convenient way to receive regular shipments of Vornado filters for your Vornado air purifier! eliminate the hassle of remembering to reorder. SKU: 43117573 MFG: MD1-0039 Shop more products by Vornado. SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Shipping charges calculated at checkout. Shipping not available to AK,AE,AA,AE,AE,AE,AP,GU,HI,PR,VI Sold out $23.54 Quantity Sold Out Sold out Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Length: 2.4" Type:3-in-1 Width:7-1/2" Filter Media: Carbon Filter Efficiency: 99.97 % Package Quantity: 1 Captures up to 99.97% of airborne particles Replace every 6 months, depending on use Includes True HEPA, carbon and pre-filter FEATURES MFR: MD1-0039 SKU: 43117573 UPC: 043765013236 Brand: Vornado