Nordic Pure 20x20x4 Furnace Filter with Carbon, MERV 10 (2 pack)
Premium pleated furnace filters with carbon for improved air quality and dust reduction. One customer notes effective performance with a box fan; others mention fit and thickness variations
Highlights
- MERV 10 with carbon
- 2-pack
- documented actual size
Pros
- Carbon-containing filtration
- MERV 10 efficiency
- Pleated design for filtration
- Includes 2-pack value
- Actual size closely documented
Cons
- Some users report size not matching advertised dimensions
- Thickness may be thinner than expected
Best For
Features
- Actual size 19.5 x 19.5 x 3.63 inches for 20 x 20 x 4 nominal frame
- MERV 10 filtration with carbon layer for odor control
- Identifies replacement size for Honeywell/Lennox 20x20x4 Plus Carbon or 4 3/8 depth models
- Made in the USA; Nordic Pure brand filtration products
