Combi 360°Glass HEPA+Activated Carbon Filter For Dyson HP1 TP09 TP07 TP06 TP04 TP10 TP7A HP04 HP06 HP07 HP09 HP10 HP4A HP7A PH01 PH02 PH03 PH04 PH3A DP04 PC1 Air Purifier, #965432-01
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Review Analysis Results
Analysis Summary
The overwhelming majority of these reviews appear genuine, with only 2 out of 17 showing potential manipulation patterns. All reviews are verified purchases, which significantly increases their authenticity likelihood. The reviews display a natural distribution of content, length, and style that aligns with genuine customer feedback for a successful third-party replacement filter product. High ratings for a quality, value-priced alternative to expensive OEM filters are completely normal and expected in this product category.
Strong genuine indicators are abundant throughout the dataset. Review #4 provides specific technical feedback about PM 2.5 readings and notes the filter design change from separate to one-piece construction. Review #7 offers personal context about initial skepticism, a specific timeframe ('less than 5 mins'), and mentions checking for odors. Review #13 shares a long-term relationship with the seller ('at least six months') and mentions multiple shipments. Review #15 provides balanced negative feedback with specific performance issues, which is typical of genuine dissatisfied customers rather than fake reviewers who typically only post extreme positive or negative reviews.
The only concerning patterns appear in two reviews. Review #6 uses exaggerated, marketing-style language ('the air was so clean... you couldn't even see it!!!') that lacks specific details. Review #11 is extremely brief ('good product') without any personal context or specifics, though even this could simply be from a satisfied but terse customer. These represent a small minority of the overall feedback.
In summary, this appears to be a legitimate product receiving predominantly authentic positive feedback. The few potentially suspicious reviews are outweighed by numerous detailed, personal, and specific reviews that demonstrate genuine user experiences. The presence of a verified negative review (#15) further supports the authenticity of the overall review set, as fake review campaigns rarely include balanced or negative perspectives.
Key patterns identified in the review analysis include: Verified purchase status, Specific installation experiences, Comparative feedback vs. OEM filters.
Review Statistics
About Review Data Collection
We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.
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Price Analysis
This is a premium replacement filter for Dyson air purifiers with excellent ratings. Since the current Amazon price is unknown, monitor for prices around $60-$70 for good value. Given the high rating and brand reputation, this filter represents a reliable choice when purchased from authorized sellers at competitive pricing.
MSRP Assessment
Market Position
Buying Tips
Understanding This Analysis
What does Grade B mean?
This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.
Adjusted Rating Explained
The adjusted rating (4.40 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.73 stars), suggesting positive fake reviews may be inflating the score.
How We Detect Fake Reviews
Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.
Important Limitations
No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.
