Categories/Air Purifiers/KNKA Air Purifier for Home Bedroom Large Room Up to 1,695 Ft² in 1 Hr, HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Display, ECO Mode, Pet Mode for Pets, Dust, Pollen, APH4000

Home & Kitchen > Heating, Cooling & Air Quality > Air Purifiers > HEPA Air Purifiers

critical
amazon.comID B0FNDG2TNK
KNKA Air Purifier for Home Bedroom Large Room Up to 1,695 Ft² in 1 Hr, HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Display, ECO Mode, Pet Mode for Pets, Dust, Pollen, APH4000

KNKA Air Purifier for Home Bedroom Large Room Up to 1,695 Ft² in 1 Hr, HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Display, ECO Mode, Pet Mode for Pets, Dust, Pollen, APH4000

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The KNKA Air Purifier for Home Bedroom Large Room Up to 1,695 Ft² in 1 Hr, HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Display, ECO Mode, Pet Mode for Pets, Dust, Pollen, APH4000 was tracked for 31 day(s). During this period, the Buybox price ranged between Buy box price ranged from $119.98 to $149.99 against an MSRP/MAP of $259.99. The product's pricing health is currently flagged as critical.

Showing Results for Past 31 days
Last updated Jul 31, 2026
Price Overview
Severe erosion

FLOOR PRICE ($)

$119.98

MAX PRICE ($)

$149.99

AVG PRICE ($)

$127.08

SEVERE EROSION

53.85%

MSRP/MAP ($)

$259.99

Price erosion from MSRP53.85% below MSRP
Jul 1, 2026Jul 31, 2026

The product is currently selling at $119.98, following a peak of $149.99 during the tracking period. Compared to its MSRP of $259.99, the current price reflects a severe variance of 53.9% erosion.

Buy Box Distribution

Buy Box Share

2P100% · 31d

2P leads with 100% of Buy Box days

2P 2 sellers
Seller
Condition
Current Price ($)
Buy Box Days
Erosion (%)
2PKNKA Prime US· Top
New
$119.98
−$140.01
31(100%)
53.85%
2PKNKA US
New
$259.99
+$0.00
0(0%)
0.00%
The Buy Box for KNKA Air Purifier for Home Bedroom Large Room Up to 1,695 Ft² in 1 Hr, HEPA Air Cleaner with Washable Pre-Filter, AHAM VERIFIDE, AQI Display, ECO Mode, Pet Mode for Pets, Dust, Pollen, APH4000 is primarily held by KNKA Prime US (2P) with a 100% share, winning the Buy Box for 31 out of 31 tracked days. Only 1 of 2 total sellers have won the Buy Box.
Seller Density vs. Price Erosion
Buy-box priceActive sellers (scaled)MSRP $259.99

Peak Seller Pressure

2 sellers on Jul 1

Price Trend

Eroding

Seller Proliferation

→ Stable

0/day avg · 0 net

Buy-box price declined from $129.99 to $119.98 — a $10.01 drop over 31 days. It entered the period already $130.00 below MSRP ($259.99), before any crowding pressure arrived. Seller count peaked at 2 on 07/01 — 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

New Entrants (0)

No new sellers in recent period.

Exited (0)

No sellers exited in recent period.

Persistent (2)
2PKNKA Prime US

31d · avg $127.08 · 31 Buy Box Wins · ↓ falling

2PKNKA US

31d · avg $257.09 · 0 Buy Box Wins · ↑ rising

New Entrants — Sellers who appeared for the first time in the recent period.Exited — Sellers active earlier but absent in the recent period.Persistent — Sellers present throughout both the early and recent periods.
Key Findings
critical
Price Erosion

$140.01

Severe · 53.9% below MSRP

Severe erosion — floor is $140.01 (53.9%) below MSRP; the product is well below its intended price point and brand integrity is at risk.

Seller Activity

Clean

Clean

No 3P sellers detected — the channel is clean.

Buy Box

KNKA Prime US

2P · 31 wins · $119.98

Buy-box is controlled — KNKA Prime US (2P) leads with 31 wins at $119.98, and 3P interference is minimal.

Recommended Actions
1

Immediate pricing intervention required — The lowest price has dropped to $119.98, which is 53.9% below MSRP ($259.99).

2

Escalate directly with Amazon — The lowest price has dropped to $119.98, which is 53.9% below MSRP ($259.99).