Coolnut 400 Filter for Puroair 400 Air Purifier, 3-in-1 H14 HEPA Filter, 2 Pack

Compatibility: Our HEPA H14 400 air filter is with Puroair 400 . 3-Stage : Our filter is composed of 3 layers of different materials: the fine pre-filter captures large particles hair and dust; the carbon filter reduces various odors such as smoke and cooking smells; the H14 HEPA filter captures fine dust and particles as small as 0.1 microns. to install: No required. remove the old and dirty filter and insert the new filter into your air purifier advice: Change the HEPA filter promptly to maintain its efficiency. If your air purifier overheats during , or the declines, you should replace the filter immediately. We strongly recommend new filter every 6 to 12 months The package includes 2*HEPA filters. We value every customer' feedback. If you encounter any problems with the product, contact us through our page, and we will address the issue promptly.