Honeywell F300 / F50F Replacement Post-filters

Honeywell 50000293-004 Post Filter For Kit 20 X 25 F300E And F50 Electronic Air Cleaners. This item is sold in a pack of 2. This item should be vacuumed out to clean but should NOT be washed. The electrostatic charge in the post-filter will dissipate if washed.

• All prefilters have a thickness of 3/8".
• Boosts efficiency by 8-10%
• Captures up to 98% of particles between 3 and 10 microns in size - cat dander, pollen and dust.
• Enhances air cleaner's filtration efficiency in capturing bacteria, smoke, particles, mold spores and other fungi.
• Antimicrobial coating protects against bacteria and fungal growth on the filter.
• Three-stage filtration includes exclusive electrostatic post-filter that improves efficiency with minimal resistance to airflow.
• Lasts up to six months.