Nordic Pure MERV 12 Furnace Filter 20x25x5 (actual 19.75 x 24.75 x 4.38) 4-pack
Replacement air filters for Lennox X6673/X6675. Offers high-efficiency filtration and improved air quality. Customers note good fit and effective dust capture
Highlights
- MERV 12 filtration level
- actual size provided to verify fit
- replacement for Lennox X6673/X6675
Pros
- high-efficiency MERV 12 filtration
- actual size guidance for proper fit
- made in the USA
- good dust capture and air quality improvement
- well-fitting for bottom return setups
Cons
- mixed opinions on exact size vs. stated size
- some consider build quality variable
Best For
Features
- Nominal size is 20 x 25 x 5 with red framing
- Actual size measures 19 3/4 x 24 3/4 x 4 3/8
- Designed to replace Lennox X6673 and X6675 filters for high-efficiency filtration
- MERV 12 rating corresponds to MPR 1500-1900 for filter performance
- Made in the USA
