Buy-box price is 31.4% 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 31 day(s). During this period, the Buy Box price ranged from $123.49 to $179.99 against an MSRP/MAP of $179.99. The product's pricing health is currently flagged as critical.
Price Overview
FLOOR PRICE ($)
$123.49
MAX PRICE ($)
$179.99
AVG PRICE ($)
$178.17
EROSION (%)
31.39%
MSRP/MAP ($)
$179.99
The product hit a low of $123.49, 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 31.39% erosion.
Buy box distribution
| Seller | Condition | Price vs MSRP | Buy box days | Erosion |
|---|---|---|---|---|
1PAmazon.com· Top | New | $179.99 at MSRP | 31d (100%) | 0.00% |
3PTriplenet Pricing INC | New | $301.34 +$121.35 above MSRP | 0d (0%) | -67.42% |
3PGAJA Marketplace | New | $299.00 +$119.01 above MSRP | 0d (0%) | -66.12% |
2PAmazon Resale | New | $170.99 −$9.00 below MSRP | 0d (0%) | 5.00% |
3PSylvane | New | $249.99 +$70.00 above MSRP | 0d (0%) | -38.89% |
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 31 out of 31 tracked days. Only 1 of 5 total sellers have won the Buy Box.
Seller density vs. price erosion
Buy-box price fell to a floor of $123.49 before recovering to $179.99. It entered the period already $56.50 below MSRP ($179.99), before any crowding pressure arrived. Seller count peaked at 5 on 07/07 — adding +0 net sellers over the full period. Seller count has held steady even as prices shifted.
Seller churn and influx
Comparing sellers before Jul 29 vs last 3 days of 31-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
critical$56.50
Severe erosion — floor is $56.50 (31.4%) below MSRP; the product is well below its intended price point and brand integrity is at risk.
3 3P Sellers
3 third-party sellers active — channel showing crowding pressure, exits outnumbering arrivals.
Amazon.com
Buy-box is controlled — Amazon.com (1P) leads with 31 wins at $179.99, and 3P interference is minimal.
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