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Fortify 20x25x5 MERV 11 Furnace Air Filter Fits Lennox. 2-Pack
✅ In stock
⭐ Lowest price we've tracked
C
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 5, 2026 7:34 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰At 15% off its standard going rate, this offer delivers clear value for the money.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
16.6/28
Recent Value
3.47/22
Market Standing
13.85/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
FiltersDelivered
🚚 Shipping
Free Shipping
Product Details
✓Actual Filter Size: 19.7 x 24.7 x 4.38 | Nominal Size: 20 x 25 x 5 | Recommended to replace every 6–12 months depending on usage and environment.
✓Replacement for Lennox X6673, X6661: Designed to match the performance and fit of the Lennox Healthy Climate X6673, X6661 filters. Fortify provides dependable filtration for whole-house HVAC systems.
✓High-Efficiency MERV 11 Filtration: Captures up to 95% of airborne particles including dust, mold spores, pet dander, pollen, and household allergens—helping create a healthier indoor environment.
✓Durable Construction for Long-Term Use: Made in the USA with electrostatically charged synthetic media, moisture-resistant frames, and reinforced metal backing to withstand humidity and airflow stress.
✓Improves System Efficiency: Deep pleated design delivers low airflow resistance and high dust-holding capacity, helping HVAC systems run cleaner and more efficiently for longer.
⚙️ Specifications
Brand
Fortify
Product Dimensions
25"L x 20"W x 5"Th
MERV Rating
11
Compatible Devices
Air Cleaner, Air Conditioner, Furnace
UPC
850075608607
Number of Items
2
Manufacturer
Zephyr Filtration
Unit Count
2 Count
Brand Name
Fortify
Model Info
FD-LX1142025
Item Weight
9 pounds
