Filterbuy 21x21.5x5 MERV 13 Air Filter (4-Pack) 20.00 x 21.09 x 4.97
Pleated HVAC air filters with MERV 13 performance for improved air quality. Helps reduce dust and germs while supporting system efficiency. Customer feedback notes high quality and good air, with mixed opinions on fit and installation
Highlights
- MERV 13 filtration
- Actual size alignment
- 4-pack value
Pros
- MERV 13 synthetic media for filtration
- Reduces dust and germs
- Actual size closely matches standard furnace filters
- Pleated design for airflow
Cons
- Mixed opinions on fit to certain units
- Varied perception of build quality
- Mixed ease of installation
Best For
Features
- WHOLE HOUSE REPLACEMENT 21x21. 5x5 air filters for your furnace
- air conditioner
- or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size 20. 00" x 21. 09" x 4. 97")
- MERV 13 PERFORMANCE Protect your home or business from germs
- bacteria
- and more with MERV 13 synthetic media (comparable with MPR 1900 & FPR 10) that captures 98% of dust without restricting air flow
- LASTING FILTRATION Electrostatically charged media (made in the USA) with 11 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for best results)
- SUPERIOR CONSTRUCTION Easy installation beverage board (recyclable) frames with dual wire backing outperform basic cardboard designs by improving durability and resisting extreme temperatures
