ZQA4000 Series Filters Replacement for ADTARK ＆ VNIUP ZQA-4000C and Cobectal & Fancybark ZQA-4000A Air Purifiers, 4-in-1 True HEPA & Activated Carbon & Pre-filter (4 Pack)

["Compatible With: Replacement Filter Compatible with ADTARK ＆ VNIUP ZQA-4000C and Cobectal & Fancybark ZQA-4000A Air Purifiers (4 Pack).","4 Layer Filtering Function: 4-in-1 Replacement ZQA-4000 Series Composite Filter made by Pre-filter, HEPA filter and Activated carbon filter.","Composite Filter: Pre-filters block large particulate matter, True HEPA filter can removal 99.97% of fine dust and Activated carbon layer can effectively absorb all kinds of household odors.","Value Pack: Replacement filter Kit include 4 Pack ZQA4000 Series Composite HEPA Filter.","Replace Reminder: In order to ensure the use effect of the machine, it is recommended that you replace the air purifier filter every 3-4months."]