Filter King 21.25 x 21.25 x 0.75 in MERV 11 replacement filter (6-pack)
MERV 11 pleated air filters for HVAC systems. Designed to capture more particles while maintaining airflow. Customers note good fit and effective filtration, though some size feedback varies
Highlights
- MERV 11 rating
- USA-made
- 6-pack convenience
Pros
- MERV 11 filtration
- Pleated design for improved particle capture
- 6-pack value
- Made in the USA
- Clear replacement size specified
Cons
- Some customers report size mismatch
- Mixed feedback on build quality
Best For
Features
- MERV 11 rated 6-pack air filter set for HVAC systems
- Actual size 21.25 x 21.25 x 0.75 inches; nominal size 21.25 x 21.25 x 1 inch
- Made in the United States with high-quality materials and construction
- Filter designed to last up to 90 days between replacements
- EPA establishment number 103501-FL-1 on the product