Nordic Pure 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement AC Filter MERV 14 + Carbon 1 Pack (20x25x5LXREDM14+C-1)
Nordic Pure 20x25x5LXREDM14+C-1 Lennox X6673_X6675 Replacement AC Filter MERV 14 + Carbon 1 Pack – 20x25x5 offers top-tier air filtration and odor control for Lennox systems. Featuring MERV 14-rated media combined with an activated carbon panel, this filter is ideal for capturing ultra-fine particles and neutralizing common household odors and VOCs.
Designed to replace Lennox X6673 and X6675 20x25x5 filters
MERV 14 pleated media with integrated activated carbon panel
Removes microscopic particles and absorbs odorous gases
Actual depth of 4 3/8", compatible with traditional 5” housings
Durable, moisture-resistant beverage board frame construction
Metal mesh support grid for enhanced filter stability
Captures allergens, bacteria, smoke, and fine dust particles
Reduces odors from pets, cooking, cleaning agents, and more
Improves overall indoor air quality for sensitive individuals
Helps HVAC systems maintain airflow and peak performance
Recommended replacement every 3–6 months for optimal results
Technical Specifications:
Model: 20x25x5LXREDM14+C-1
Nominal Size: 20" x 25" x 5"
Actual Size: Approximately 19.75" x 24.75" x 4.38"
MPR Equivalent: 2800
Carbon Layer: Included for odor and VOC reduction
Quantity: 1 filter per pack
Important Note: Almost ALL furnace filters have a different actual size than the nominal size printed on the filter. Nordic Pure MERV 14 filters are traditionally sized as 5” filters with an actual depth of 4 3/8”. Please measure your current filter or housing to ensure a proper fit before ordering.
Product identification
- Brand: Nordic Pure
- Model / MPN: 20x25x5LXREDM14+C-1




