Buy-box price is 28.8% below MSRP and a 1P seller controls the listing
The WINIX 5510 Air Purifier (New Generation of 5500-2 with App Support) for Home Large Room Up to 1881 Ft² in 1 Hr, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke was tracked for 24 day(s). During this period, the Buy Box price ranged from $128.24 to $179.99 against an MSRP/MAP of $179.99. The product's pricing health is currently flagged as at risk.
Price Overview
FLOOR PRICE ($)
$128.24
MAX PRICE ($)
$179.99
AVG PRICE ($)
$173.80
EROSION (%)
28.75%
MSRP/MAP ($)
$179.99
The product hit a low of $128.24, following a peak of $179.99 during the tracking period. Compared to its MSRP of $179.99, the floor price reflects a severe variance of 28.75% erosion.
Buy box distribution
| Seller | Condition | Price vs MSRP | Buy box days | Erosion |
|---|---|---|---|---|
1PAmazon.com· Top | New | $128.24 −$51.75 below MSRP | 24d (100%) | 28.75% |
3PTriplenet Pricing INC | New | $311.58 +$131.59 above MSRP | 0d (0%) | -73.11% |
3PSylvane | New | $249.99 +$70.00 above MSRP | 0d (0%) | -38.89% |
2PAmazon Resale | New | $126.89 −$53.10 below MSRP | 0d (0%) | 29.50% |
The Buy Box for WINIX 5510 Air Purifier (New Generation of 5500-2 with App Support) for Home Large Room Up to 1881 Ft² in 1 Hr, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke is primarily held by Amazon.com (1P) with a 100% share, winning the Buy Box for 24 out of 24 tracked days. Only 1 of 4 total sellers have won the Buy Box.
Seller density vs. price erosion
Buy-box price declined from $179.99 to $128.24 — a $51.75 drop over 24 days. Price opened right at MSRP ($179.99). Seller count peaked at 4 on 09/16 — adding +0 net sellers over the full period. Seller count has held steady even as prices shifted.
Seller churn and influx
Comparing sellers before Sep 28 vs last 3 days of 24-day tracking period
1 3P seller exited the listing — channel cleanup signal.
1 seller exited with no new entrants — competitive pressure easing.
No new sellers in recent period
Key Findings
at risk$51.75
Severe erosion — floor is $51.75 (28.8%) below MSRP; the product is well below its intended price point and brand integrity is at risk.
2 3P Sellers
3P activity is limited to 2 sellers — controlled, though 1 have since exited.
Amazon.com
Buy-box is controlled — Amazon.com (1P) leads with 24 wins at $128.24, and 3P interference is minimal.
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