Nispira True HEPA Activated Carbon Air Filter Set Compatible with Air Purifier A350, A375, Part BF25A Item Package Quantity:4 Suggested replacement every 2 -

Suggested replacement every 2 - 3 years to maintain best quality of water

Compare to Part FZ-A80DFU

Activated carbon filter removes smoke

Includes 1 Premium HEPA filter and 1 activated carbon filter with preliminary filter

Suggest to replace every 6 months

Nispira True HEPA Activated Carbon Air Filter Set Compatible with Air Purifier A350, A375, Part BF25A Item Package Quantity:4 Suggested replacement every 2 -Nispira premium HEPA and activated charcoal air filter replacement set compatible with air purifier model A350 & A375 Compared to original part no BF25A High quality HEPA filter captures 99. 97% of airborne particles down to 0. 3 microns. Activated charcoal filter can trap big particle such as hair, dust. It also deodorizes any unfavorable household odor Approx dimension: 15. 25 x 12. 75 x 2". Suggest to replace every year to optimize the performance