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iSpring F4CKC2 10"x2.5" Standard Water Filter Replacement Cartridges, 1-Year Filter Packs for CKC2, WKW21 - (FG15 FC15)X2
Regular price
$41.99
Sale price
$41.99
Regular price
$41.99
Unit price
per
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Features
Product Features
1-year supply of replacement filters for 2-stage water filters, individually wrapped.
Product Highlights
- Individually wrapped to keep freshness
- Fits standard 10" housings, including brand name models
What is included
- - 2 pieces of 5 micron GAC Granular Activated Carbon #FG15. Tested by independent third-party to meet NSF/ANSI standard
- - 2 pieces of 5 Micron CTO Carbon Filters #FC15. Tested by independent third-party to meet NSF/ANSI standard
Fit Models
- CKC2
- WKW21
Specifications & Dimensions
- Length: 9 3/4", O.D. = 2 7/8"
- 1/4" Fitting
- Weight: 5 LBS
- AvailabilityIn Stock
- Model F4CKC2
- Manufacturer iSpring
- Product Weight 6.1 LB
iSpring vs Other Brands
Feature
NSF/ANSI 58 Certification
Yes (full system certified)
Often partial or none
Verified performance & safety
Filtration Stages
Clear 3/4/5/7 stage options
Usually 4-5 stages
More complete options
Alkaline Remineralization
Available (RCC7AK/RCC7AK-UV)
Rare or expensive add-on
Better taste & pH balance
See-through 1st Stage Housing
Yes, smart flow sensor
Unavailable in most systems
Easy visual inspection
Daily Production
75 GPD (reliable output)
Often lower or overstated
Reliable daily production
Replacement Filters
Widely available & affordable
Hard or harder to find
Lower long-term cost
Installation
DIY friendly, no plumber needed
Can be more complex
Faster & easier set-up
Support & Warranty
Responsive support + solid warranty
Varies widely
Better post-purchase experience
Value for Money
High performance at competitive price
Higher price for similar specs
Better cost-effectiveness