Nispira True HEPA Air Purifier Filter for Bissell Air220, Air320, 2609a, 2678 Item Package Quantity:4 Suggested to replace every 6

Suggested to replace every 6 months for best performance

Suggest replacing the filter after 6 - 8 months use to optimize the performance

Connect the Mask or other connector tube

Insert the inline filter

Nispira True HEPA Air Purifier Filter for Bissell Air220, Air320, 2609a, 2678 Item Package Quantity:4 Suggested to replace every 6Nispira true HEPA air filter replacement with preliminary filter compatible with Air220 air purifier or 2609a. Compare to part 2678 HEPA filter captures 99. 97% of air pollutants as small as 0. 3 microns. Preliminary filter captures visible dust and hair to extend the filter life. Dimension: 16. 5 11 1. 5". Suggest to replace every 6 months 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brand Disclaimer: Any brands,