Crystala Filters CF9 Water Filter Review
Our verdict
The Crystala CF9 is an NSF certified replacement filter for select GE refrigerators, with 4,200 reviews and a 4.4-star average at $25.88. The rating is slightly below average for this category, worth understanding before buying.
Check price on AmazonBest for
GE refrigerator owners with the GNE27JGMWW or compatible models looking for an affordable single-unit third-party filter
Skip if
Your GE model is not on the CF9 compatibility list, or you need certifications beyond NSF for specific contaminant reduction
- Certification Nsf
- Fits Ge Gne27Jgmww
- Pack 1
- Material Plastic
- Dimensions 1 X 1 X 1 In
- Weight 1.1 lb
- Pack of 1 - fewer than 64% of the 140 models we track
Our scorecard
-
Owner rating4.4/5
4.4 average across 4,200 owner ratings
-
Popularity4.1/5
4,200 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other water filtration: replacement filters, under-sink and reverse osmosis systems, filter pitchers, water dispensers, coolers, faucet filters and softeners we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The Crystala CF9 targets GE refrigerators, with the GNE27JGMWW noted as a compatible model. It carries NSF certification and is made of plastic construction, typical for fridge filter housings. At $25.88 for a single filter, the price is moderate for this segment.
With 4,200 reviews at a 4.4-star average, the CF9 has a large feedback base but its average is lower than most competing options in this category, which tend to cluster around 4.6 to 4.8. That gap is worth examining. A 4.4 average with 4,200 reviews usually means a meaningful portion of buyers had issues, likely centered on fitment or the reset of GE's filter indicator light.
Dimensions are listed as 1 x 1 x 1 inches, which is clearly placeholder data rather than actual measurements. The 1.1 lb weight is plausible. No capacity or service life data is available.
Pros
- NSF certified
- Affordable single-unit pricing at $25.88
- Large review base of 4,200 provides real-world signal on performance
- Lists specific GE compatibility (GNE27JGMWW)
Cons
- 4.4-star average is below the category norm, suggesting some fitment or quality issues
- Dimension data in specs is placeholder, not actual measurements
- No rated filter life or capacity data
- Specific NSF standard (42, 53, etc.) not detailed in available facts
Specifications
| Certification | Nsf |
|---|---|
| Fits | Ge Gne27Jgmww |
| Pack | 1 |
| Material | Plastic |
| Dimensions | 1 X 1 X 1 In |
| Weight | 1.1 lb |
Performance notes
The CF9 is NSF certified, though the specific standard is not broken out in the available product data. The plastic housing construction is standard for this filter format. Compatible with GE GNE27JGMWW per the product listing. No purification method, capacity, or filter life data is available. The 4.4-star average across a large review set warrants checking current reviews to understand specific failure patterns before purchasing.
What buyers say
At 4,200 reviews and 4.4 stars, the CF9 has a notably lower average than most competing filters in this space. The gap from 4.4 to the category norm of 4.7 or higher is statistically meaningful at this review volume. Common concerns in this range tend to be fitment problems with specific refrigerator variants or inconsistent seals. Buyers should read recent reviews with attention to their specific GE model.
More from Crystala Filters
Similar water filtration: replacement filters, under-sink and reverse osmosis systems, filter pitchers, water dispensers, coolers, faucet filters and softeners to consider
Frequently asked questions
Why does the Crystala CF9 have a lower rating than similar filters?
A 4.4-star average across 4,200 reviews is lower than the 4.6 to 4.8 range common among top-performing replacement filters. This often reflects fitment compatibility with specific refrigerator variants or installation challenges. Read recent reviews filtered to your specific GE model to get the most relevant picture before ordering.
What GE refrigerators does the CF9 fit?
The CF9 is listed as compatible with the GE GNE27JGMWW. Crystala may have a broader compatibility list on their website or the product page. Always verify your refrigerator model number before ordering. GE uses multiple filter formats across different model lines and years, so confirming fit is important.
Is the Crystala CF9 NSF certified?
Yes, the CF9 is listed as NSF certified. The specific NSF standard, such as NSF 42 for aesthetic impurities, is not broken out in the available product facts. Check the full product listing or Crystala's documentation to confirm which standard applies and what contaminants the filter is designed to help reduce.