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Fortify 20x25x5 MERV 11 Furnace Air Filter Fits Lennox. Qty-1
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 2, 2026 6:35 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
3/20
Momentum
0/10
📝 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
850075608249
Number of Items
1
Manufacturer
Zephyr Filtration
Unit Count
1 Count
Brand Name
Fortify
Model Info
FD-LX1142025
Item Weight
5 pounds
