HEPA Filter Replacement For Four Fan Air Purifier Series Compatible With HE400 HE401 HE402 HE405 0.3 Micron Filtration 99.97 Percent Capture Three Stage Filtration Easy Install

One-Pack HEPA Replacement Filter for Four-Unit Purifier
✔️ Compatible with HE400/HE401/HE402/HE405, 0.3µm, 99.97% capture

Replaceable HEPA filter for four-fan air purifiers, compatible with HE400, HE401, HE402, and HE405 models. This three-stage filtration system includes a true HEPA filter and an activated carbon layer to capture 99.97% of particles down to 0.3 microns and reduce odors from pets, cooking, and smoke. Easy to install and designed for disposable replacement in standard HE4FKPET units.

✅ Compatibility with HE400/HE401/HE402/HE405 four-fan purifiers
✅ Filtration: True HEPA 99.97% at 0.3 microns + activated carbon
✅ Dimensions: 15 in x 17 in x 1.59 in (381 mm x 432 mm x 40.4 mm)
✅ Pack size: 1 filter per pack (HEPA + carbon combo)

💡 What is a replacement HEPA filter used for in a four-fan air purifier and why is it handy? A handy way to keep indoor air clean and odors under control. - 3-stage filtration with true HEPA and activated carbon - Captures 99.97% of particles down to 0.3 microns - Easy, tool-free swap for HE4FKPET purifiers