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iSpring FC15B High Capacity Activated CTO Carbon Block Filter for Under Sink and Whole House Water Filtration System, 5-Micron 10"x4.5"
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
88%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 24, 2026 4:31 AM · 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.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 6% at checkout.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
6.46/28
Recent Value
0/22
Market Standing
19.07/20
Deal Strength
16/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓[Premium Quality Material] Using high-quality coconut shell carbon and highly compact fabrication tech, this highly activated carbon block CTO(Chlorine, Taste, and Odor) filter cartridge is designed and produced to achieve maximum filtration efficiency and filter life for 10" Under Sink Water Filter and Whole House Water Filtration Systems. Free of surfactants, binders, and adhesives. No leaching carbon ash
✓[Exceptional Filtration Performance] Knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is highly effective on Organic Compounds like herbicides, and industrial solvents and other contaminants like trihalomethanes. Steady flow and high absorption
✓[Long Filter Life] Filters up to 50,000 gallons depending on the use and feed water quality. Replace the filter every 6 months or every 50,000 gallons of water for optimal performance. Usually used as the second stage filter for whole house water filtration systems, FC15B brings clean and refreshing water to every faucet in your home
✓[Great Compatibility] Official replacement filter for iSpring Under Sink Water Filter System US21B and Whole House water filtration systems(WGB21B, WGB21BM, and WGB21B-PB). Fits other standard 10" x 4.5" undersink and whole house water filtration systems. Individually sealed for freshness
✓[Peace-of-mind Customer Support] Your risk-free shopping experience is backed by a 30-day money-back guarantee and lifetime tech support from iSpring in Alpharetta, GA
⚙️ Specifications
Brand
iSpring
Special Feature
UV Light Disinfection
Installation Type
Under Sink
Power Source
Electric Power
Item Weight
2.7 pounds
Model Name
FC15B High Capacity Activated CTO Carbon Block Water Filter
UPC
662425080212
Global Trade Identification Number
00662425080212
Manufacturer
iSpring Water Systems
Material
Carbon Block
Included Components
1 FC15B CTO Filter
