APPLIANCEMATES A230 A231 Filter Replacement for Winix A230 A231 Air Purifier, 1712-0110-00 Filter O 3-in-1 H13 True HEPA, 4 Pack

APPLIANCEMATES A230 A231 Filter Replacement for Winix A230 A231 Air Purifier, 1712-0110-00 Filter O 3-in-1 H13 True HEPA, 4 Pack

ASIN: B0F99DSTB4
Analysis Date: Jan 17, 2026 (re-analyzed Jan 17, 2026)

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Review Analysis Results

B
Authenticity Grade
12.00%
Fake Reviews
4.88
Original Rating
4.60
Adjusted Rating

Analysis Summary

Based on a comprehensive analysis of these 8 reviews, the overwhelming majority appear to be genuine customer feedback. All reviews are verified purchases, which significantly increases their authenticity likelihood. The reviews show a natural distribution of content with varying levels of detail, personal context, and specific product knowledge that aligns with what real users would share about replacement filters for air purifiers and shop vacs. Only one review raises mild suspicion, while the remaining seven demonstrate clear genuine characteristics.

Strong evidence of authenticity appears throughout the reviews. Review 1 includes a personal story about receiving a gift card and purchasing the filter as a priority item, which is highly specific and unlikely to be fabricated. Review 3 provides exact technical details about resetting the filter light with specific instructions using a paper clip or mechanical pencil, demonstrating hands-on product experience. Review 2 mentions using the filter for a Craftsman shop vac, showing specific application knowledge. These details reflect genuine user experiences rather than generic marketing language.

The only mild concern is review 5, which contains somewhat vague phrasing ('to keep my healthy and clean air worthy') that could potentially be interpreted as generic. However, even this review includes the specific action of receiving new filters and maintains a reasonable 4-star rating rather than the perfect 5-star that might indicate manipulation. There are no clear patterns of repetitive phrases, marketing jargon, or coordinated language across multiple reviews that would suggest organized manipulation.

In summary, this appears to be a collection of predominantly genuine reviews for replacement filters. The high proportion of verified purchases, specific personal contexts, technical details, and natural variation in review content strongly support authenticity. While one review shows slightly less specific language, it doesn't reach the threshold for clear manipulation patterns. The product appears to be well-received by users who find it fits properly and performs comparably to original manufacturer filters.

Key patterns identified in the review analysis include: Verified purchase status across all reviews, Specific brand/model references (Craftsman, Winix), Technical troubleshooting details.

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.

101
Total Reviews on Amazon
8
Reviews Analyzed
7
Genuine Reviews
1
Fake Reviews
-0.28
Rating Difference

Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.

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Price Analysis

APPLIANCEMATES filters represent excellent value in the aftermarket air purifier filter category, offering premium-rated performance at budget pricing. Given the high customer satisfaction rating, these filters are a smart alternative to more expensive OEM options. Purchase when you see Amazon coupons or Subscribe & Save discounts for maximum savings.

MSRP Assessment

Estimated MSRP: Unknown
Source: Unable to determine
Amazon Price: Unable to compare

Market Position

Positioning: Budget
Alternatives Range: $40-$80 for 4-pack air purifier filters
Value: APPLIANCEMATES offers significant savings compared to OEM Winix filters while maintaining high customer ratings (4.88/5).

Buying Tips

Best Time to Buy: Best purchased during off-peak allergy seasons (late fall/winter) when demand is lower.
Deal Indicators: Look for Subscribe & Save discounts, bundle deals with air purifiers, or coupon offers on the product page.
Watch For: Watch for unusually low prices from third-party sellers with limited reviews, which may indicate counterfeit or expired filters.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 17, 2026

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 (4.60 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 (4.88 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.

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Detailed explanation of our AI methodology

Spotting Fake Reviews Yourself

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