Filterbuy 21x23x1 MERV 11 Pleated Air Filter (4-Pack)
MERV 11 pleated air filters for HVAC systems, designed to capture dust and allergens while maintaining airflow. Customers note good quality and value, with some concerns about fit and actual size
Highlights
- MERV 11 synthetic media
- captures 95% of dust
- actual size close to 20.5 x 22.5 x 0.75 inches
Pros
- universal compatibility
- MERV 11 filtration
- high-quality build
- effective dust and allergen capture
- value for money
Cons
- possible fit issues with some furnaces
- actual size may differ from stated
- some report restricted airflow
Best For
Features
- Actual size 20.50 x 22.50 x 0.75 inches; fits 21x23x1 framing
- MERV 11 synthetic media captures dust and allergens with high efficiency
- Electrostatically charged pleated media with 14 pleats per foot for extended life
- Durable beverage board frame with dual wire backing for improved rigidity
- Made in the USA using recyclable materials