Filter King 11.5x21x0.75 in. MERV 13 Pleated Filter (4-pack)
MERV 13 pleated air filters in a 4-pack for HVAC systems. Designed to capture more particles while maintaining airflow. Customers note good fit and improved air clarity, with some size and value concerns
Highlights
- merv 13 filtration
- usa-made
- 4-pack convenience
Pros
- MERV 13 filtration
- 4-pack convenience
- made in the usa
- pleated design for better particle capture
- easy installation
Cons
- mixed feedback on true-to-size
- sturdiness concerns (collapse/bend reported)
- some feel value for money varies
Best For
Features
- MERV 13 rated pleated air filter for enhanced particulate capture
- Actual size 11.5 x 21 x 0.75 inches, nominally listed as 11.5 x 21 x 1 inch
- Pack includes four filters made in the United States
- Suitable for air conditioners and furnaces with standardized fits
- Recommended replacement interval 30–90 days based on usage
