Description
Nordic Pure 20x25x5LXREDPM10C-4 Lennox X6673_X6675 Replacement AC Filter MERV 10 + Carbon 4 Pack – 20x25x5 offers effective particulate filtration combined with odor control for Lennox-compatible HVAC systems. Featuring a dual-layer media that fuses MERV 10-rated material with activated carbon, this filter captures airborne particles and adsorbs odors while maintaining strong airflow performance.
Features:
- Compatible replacement for Lennox X6673 and X6675 20x25x5 models
- MERV 10 + Carbon filtration for enhanced air quality
- Dual-layer pleated media with integrated carbon for odor adsorption
- Actual depth of 4 3/8″, fits standard 5” filter housings
- Heavy-duty, moisture-resistant beverage board frame
- Metal mesh support grid bonded to pleats for structural integrity
Benefits:
- Traps dust, pollen, pet dander, mold spores, and other allergens
- Helps reduce odors from pets, cooking, smoke, and VOCs
- Improves indoor air freshness while supporting efficient HVAC operation
- Reduces wear on HVAC equipment and lowers maintenance costs
- Recommended replacement every 3–6 months for optimal performance
Technical Specifications:
- Model: 20x25x5LXREDPM10C-4
- Nominal Size: 20″ x 25″ x 5″
- Actual Size: Approximately 19.75″ x 24.75″ x 4.38″
- MERV Rating: 10
- Filter Media: Pleated Synthetic + Activated Carbon
- MPR Equivalent: 900–1000
- Quantity: 4 filters per pack
Important Note: Almost ALL furnace filters have a different actual size than the nominal size printed on the filter. Nordic Pure MERV 10 + Carbon filters are traditionally sized as 5” filters with an actual depth of 4 3/8”. Always measure your current filter or housing to ensure a proper fit before ordering.






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