Categories/Air Purifiers/WINIX 5510 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi
at risk

Buy-box price is 28.8% below MSRP and a 1P seller controls the listing

WINIX 5510 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi

WINIX 5510 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi

Winix·
ID 15906851492

The WINIX 5510 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi was tracked for 22 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.

Tracked 24 days · past 30-day window
Last updated Sep 30, 2026

Price Overview

FLOOR PRICE ($)

$128.24

MAX PRICE ($)

$179.99

AVG PRICE ($)

$173.24

EROSION (%)

28.75%

MSRP/MAP ($)

$179.99

Price erosion from MSRP
Severe28.75% below MSRP
MinimalModerateSevere

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.

Tracking window: Sep 9, 2026 – Sep 30, 2026

Buy box distribution

100%1P
1P · 1 seller, 100% share3P · 1 seller, 0% share
Sellers won
1 of 2tracked sellers
Changed hands
0 timesover 22 days
SellerConditionPrice vs MSRPBuy box daysErosion
1PWalmart.com· Top
New
$128.24
−$51.75 below MSRP
22d (100%)
28.75%
3PSylvane
New
$249.99
+$70.00 above MSRP
0d (0%)
-38.89%
Erosion severity: green under 10%, yellow 10–20%, red above 20%

The Buy Box for WINIX 5510 Air Purifier for Home Large Room Up to 1881 Ft in 1 Hr, True HEPA with WiFi is primarily held by Walmart.com (1P) with a 100% share, winning the Buy Box for 22 out of 22 tracked days. Only 1 of 2 total sellers have won the Buy Box.

Seller density vs. price erosion

Buy-box priceActive sellersMSRP $179.99
Peak seller pressure2 sellers on Sep 9Highest count during tracking window
Price impact at peak$0.00$179.99 → $179.99
Price trendErodingBased on trailing 30 days
Seller proliferation→ Stable0.0/day avg · 0 net

Buy-box price declined from $179.99 to $128.24 — a $51.75 drop over 22 days. Price opened right at MSRP ($179.99). Seller count peaked at 2 on 09/09 — 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 22-day tracking period

New entrants (0)

No new sellers in recent period

Exited (0)

No sellers exited in recent period

Persistent (2)

Key Findings

at risk
Price Erosion

$51.75

Severe28.8% below MSRP

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.

Seller Activity

1 3P Seller

ControlledStable

3P activity is limited to 1 seller — controlled.

Buy Box

Walmart.com

Controlled1P · 22 wins

Buy-box is controlled — Walmart.com (1P) leads with 22 wins at $128.24, and 3P interference is minimal.

Recommended Actions
1

Immediate pricing intervention required — The lowest price has dropped to $128.24, which is 28.8% below MSRP ($179.99).

2

Escalate directly with Walmart — The lowest price has dropped to $128.24, which is 28.8% below MSRP ($179.99).

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