Brand MOUNTO Compatible Devices Drieaz HEPA 500, Bluedri AS550, MOUNTO HEPA 500 Material Active Carbon Product Dimensions 16"L x 16"W x 1"Th Item Weight 4 Pounds UPC 766287103703 Captures a wide variety of volatile organic compounds (VOCs). Fits Dri-Eaz DefendAir HEPA 500 air scrubbers and all similar air scrubbers fitted with a 16 x 16 x linch, 2nd stage filter, Premium filter that meets or exceeds OEM filter efficiency This is a non-OEM replacement part for Dri-Eaz