Categories/Air Purifiers/Honeywell Air Purifier, HPA5100B, 900 sq ft, HEPA Filter, Allergen+ Plus, Smoke, Pollen, Dust Reducer
at risk

Buy-box price is 25.6% below MSRP and a 1P seller controls the listing

Honeywell Air Purifier, HPA5100B, 900 sq ft, HEPA Filter, Allergen+ Plus, Smoke, Pollen, Dust Reducer

Honeywell Air Purifier, HPA5100B, 900 sq ft, HEPA Filter, Allergen+ Plus, Smoke, Pollen, Dust Reducer

Honeywell·
ID 178637873

The Honeywell Air Purifier, HPA5100B, 900 sq ft, HEPA Filter, Allergen+ Plus, Smoke, Pollen, Dust Reducer was tracked for 30 day(s). During this period, the Buy Box price ranged from $119.00 to $140.05 against an MSRP/MAP of $159.99. The product's pricing health is currently flagged as at risk.

Tracked 31 days · past 30-day window
Last updated Jul 31, 2026

Price Overview

FLOOR PRICE ($)

$119.00

MAX PRICE ($)

$140.05

AVG PRICE ($)

$132.29

EROSION (%)

25.62%

MSRP/MAP ($)

$159.99

Price erosion from MSRP
Severe25.62% below MSRP
MinimalModerateSevere

The product hit a low of $119.00, following a peak of $140.05 during the tracking period. Compared to its MSRP of $159.99, the floor price reflects a severe variance of 25.62% erosion.

Tracking window: Jul 1, 2026Jul 31, 2026

Buy box distribution

83%1P
1P · 1 seller, 83% share2P · 3 sellers, 0% share3P · 6 sellers, 17% share
Sellers won
4 of 10tracked sellers
Changed hands
6 timesover 30 days
SellerConditionPrice vs MSRPBuy box daysErosion
1PWalmart.com· Top
New
$159.99
at MSRP
25d (83%)
0.00%
3PEveryday Savings Hub
New
$134.99
−$25.00 below MSRP
3d (10%)
15.63%
3PWit's Goods & Exchange
New
$119.00
−$40.99 below MSRP
1d (3%)
25.62%
3PTreasure Trove Hub
New
$119.95
−$40.04 below MSRP
1d (3%)
25.03%
3PSTP-Wellness
New
$129.99
−$30.00 below MSRP
0d (0%)
18.75%
3PLilias Unlimited
New
$129.99
−$30.00 below MSRP
0d (0%)
18.75%
2PWaterborne Inv
New
$127.99
−$32.00 below MSRP
0d (0%)
20.00%
3PPrime National Distribution
New
$159.99
at MSRP
0d (0%)
0.00%
2PRetail Defined
New
$129.99
−$30.00 below MSRP
0d (0%)
18.75%
2PPaul Revere Hardware
New
$136.04
−$23.95 below MSRP
0d (0%)
14.97%
Erosion severity: green under 10%, yellow 10–20%, red above 20%

The Buy Box for Honeywell Air Purifier, HPA5100B, 900 sq ft, HEPA Filter, Allergen+ Plus, Smoke, Pollen, Dust Reducer is primarily held by Walmart.com (1P) with a 83% share, winning the Buy Box for 25 out of 30 tracked days. Only 4 of 10 total sellers have won the Buy Box.

Seller density vs. price erosion

Buy-box priceActive sellersMSRP $159.99
Peak seller pressure7 sellers on Jul 13Highest count during tracking window
Price impact at peak$0.00$129.99$129.99
Price trendErodingBased on trailing 30 days
Seller proliferation↓ Decreasing-0.1/day avg · -2 net

Buy-box price stayed between $119.00 and $140.05, largely stable over the period. It entered the period already $19.94 below MSRP ($159.99), before any crowding pressure arrived. Seller count peaked at 7 on 07/13, easing off since — adding -2 net sellers over the full period. The crowding was short-lived — sellers came in, didn't find enough margin to stay, and pulled back.

Seller churn and influx

Comparing sellers before Jul 29 vs last 3 days of 30-day tracking period

1 persistent 3P seller actively cutting prices — driving ongoing erosion.

4 3P sellers exited the listing — channel cleanup signal.

7 sellers exited with no new entrants — competitive pressure easing.

New entrants (0)

No new sellers in recent period

Exited (7)
Persistent (3)

Key Findings

at risk
Price Erosion

$40.99

Severe25.6% below MSRP

Severe erosion — floor is $40.99 (25.6%) below MSRP; the product is well below its intended price point and brand integrity is at risk.

Seller Activity

6 3P Sellers

Swarming7 exited

6 3P sellers are swarming this listing — heavily contested.

Buy Box

Walmart.com

Contested1P · 25 wins

3P sellers win the buy box 16.7% of the time; Everyday Savings Hub leads with 3 days at $134.99 (15.6% below MAP) — worsening.

Recommended Actions
1

Immediate pricing intervention required — The lowest price has dropped to $119.00, which is 25.6% below MSRP ($159.99).

2

Audit distribution channels — 6 active 3P sellers detected, indicating widespread distribution issues.

3

Monitor buy-box ownership daily — 3P sellers captured 16.7% of buy-box snapshots across the tracking period.

4

Prioritise enforcement action against Everyday Savings Hub, the highest-frequency 3P buy-box winner.

5

Escalate directly with Walmart — The lowest price has dropped to $119.00, which is 25.6% below MSRP ($159.99).

Free 7-Day ReportTrack any product listing

Get a Free MAP & Buy Box Compliance Report for Your Product

Enter your product URL and MAP price. We will monitor 3P seller crowding, Buy Box shifts, and price erosion over the next 7 days and email you a comprehensive compliance report.

Track Your Product

Free