Filterbuy 21x23x1 MERV 13 Air Filter (12-Pack) Health Defense
Electrostatic pleated air filters with MERV 13 media for HVAC systems. Helps trap dust and germs while maintaining airflow. Customer notes indicate good fit and value for money
Highlights
- merv 13 filtration
- universal 21x23x1 size
- electrostatic pleated media
Pros
- universal compatibility 21x23x1
- merv 13 filtration
- electrostatic pleated media
- made in usa
- 12-pack
Cons
- mixed opinions on build quality
- size fit may vary per user
- some notes on durability under UV exposure
Best For
Features
- UNIVERSAL COMPATIBILITY 21x23x1 replacement air filters for your furnace
- air conditioner
- or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size 20. 50" x 22. 50" x 0. 75")
- 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 with 16 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 frames with dual wire backing outperform basic cardboard designs by improving durability and resisting extreme temperatures
