On Discount Filterhualv 2 Pack FLT4825 True HEPA Filter B Replacement Filter Compatible with Guardian Air Purifier AC4825 AC4300 AC4800 AC4900 AC4850

Description: 1.Material:true HEPA filter,can remove 99.97% particles in air 2.Compatible with Guardian air purifier models: FLT4825 Filter B, AC4300BPTCA, AC4900CA, AC4825, AC4825E, AC4850PT, AC4900CA 3.Package list:2 HEPA filters ,and 2 actived carbon filter 4.About installation:very easy to install,just pill out the plastic bags ,and replace the old ones,no tools need. 5.We suggest replacing the filter every 4-5 months to maintain the best filter effect.