Nispira True HEPA Activated Carbon Air Filter Set Compatible with Air Purifier A350, A375, Part BF25A Item Package Quantity:3 Suggest replacing the filter every

Suggest replacing the filter every 12 months or every 12

Activated Carbon layer removes unfavorable odors from pets

It provides greater control over brew time

Compare to Part FZ-C100DFU

Nispira True HEPA Activated Carbon Air Filter Set Compatible with Air Purifier A350, A375, Part BF25A Item Package Quantity:3 Suggest replacing the filter everyNispira 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