Filter King 21x21x1 MERV 13 Pleated Air Filter (6-pack)
MERV 13 pleated air filters for HVAC systems with 21" x 21" x 1" nominal size and 20.5" x 20.5" x .75" actual size. Designed for up to 90 days of use; packaging indicates USA-made construction. Customer feedback notes solid quality and fit, with mixed opinions on size accuracy and dust performance
Highlights
- MERV 13 rated filter
- six-pack for multiple replacements
- USA-made construction
Pros
- MERV 13 filtration
- 6-pack convenience
- USA-made production
- pleated design for higher capture
- clear replacement guidance
Cons
- mixed feedback on size accuracy
- dust collection performance debated
- actual size slightly smaller than nominal
Best For
Features
- MERV 13 pleated filter with actual size 20.5 x 20.5 x .75 inches
- Pack includes six US-made filters; manufactured in the United States
- Designed for up to 90 days of use; recommended replacement every 30-90 days
- Pleated design captures more particles while maintaining air flow
- Easy installation: simple slide-in replacement for home HVAC systems
