High Efficiency Pre-Filter fits Bissell air400 Air Purifier Series 24791, 2521

Bissell High Efficiency Pre-Filter – Replaces Part #2521

Keep your air400 purifier performing at its best with this brand-new high efficiency pre-filter. Designed to replace Bissell part number 2521, this filter captures larger airborne particles and extends the life of your HEPA and carbon filters.

Product Highlights:

• OEM-style replacement pre-filter for Bissell air400 Series
• Captures dust, pet hair, lint, and other large particles
• Improves overall filtration and airflow efficiency
• Color: Black | Condition: Brand New – Unused

Replaces Part Number:

• 2521

✅ Compatible Models:

• Bissell 24791 (air400)
• Bissell 2479

️ Installation Tips:

• Turn off and unplug the air purifier before replacing filters
• Open the rear panel and remove the old pre-filter
• Insert the new pre-filter with tabs facing outward
• ✅ Install carbon and HEPA filters after placing the pre-filter
• Replace every 3–6 months depending on usage and air quality

⚠️ Installation Disclaimer:

This filter is designed for Bissell air400 Series models listed above. Buyer is responsible for verifying compatibility before purchase. Installation should follow manufacturer guidelines. Returns not accepted on installed or damaged items.

Trap the dust. Breathe cleaner. Built for Bissell air400 performance.