Is gxwh04f replacement filter profitable to sell on Amazon United States?

The niche generates $45K/yr across 12 tracked products. 90-day search growth is +3.5%. Flapen's verdict: Skip it (45/100).

How competitive is the gxwh04f replacement filter niche?

7 brands and 18 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in gxwh04f replacement filter?

Top complaints mined from reviews: Filtration, Size-Overall, Water Resistance. The return rate is 1.3%.

When does demand for gxwh04f replacement filter peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the gxwh04f replacement filter niche?

Listings span $11.88–$39.36; the average listing price is $23.33 (sweet spot $15–$100). The average incumbent carries 1,867 reviews — the moat a new listing must climb.

gxwh04f replacement filter

Skip it

A small market ($45K/yr) — this niche doesn't clear our bar today.

Conversion

Incredible12.2%

search→purchase rate — share of searches ending in a sale

Avg price

Incredible$23.33

avg listing price — sweet spot $15–$100

Returns

Great1.3%

return rate — above 5% kills the launch gate

Price range

Great$11.88–$39.36

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay1,867.08

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+3.5%

90-day search growth — must beat 0% to launch

Competition

Bad73%

top-5 click share — a locked-up shelf

Market size

Bad$45K

$45K/yr · 16K searches

Brand share

Bad96%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, gxwh04f replacement filter is a $45K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 45/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

gxwh04f replacement filter market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: $47K–$58K; units × avg price
Conversion rate: 12.2%
Avg BSR: #437
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 66 months
Avg seller age: 141 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

GE41%
CFS37%
PUREPLUS12%
Filters4you3%
A. O. Smith3%
EXCELPURE2%
Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top gxwh04f replacement filter search terms

fxwtc replacement filter4K/yr +38.4%16.3% conv.
gxwh04f replacement filter4K/yr -7.6%10.7% conv.
gxwh04f3K/yr -8.5%7.7% conv.
gxwh20s replacement filter3K/yr -14.5%9.0% conv.
fxwtc3K/yr +15.6%14.1% conv.

All search terms

Top gxwh04f replacement filter products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

GE FXWTC Whole House Water Filter | Replacement for Water Filtration System | NSF Certified: Reduces Chlorine Sediment Rust & Other Impurities | Replace Every 3 Months for Best Results | 2 Filters

GE$11.884.6★3,838 rev

1 Micron 2.5 x 10 Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System Dupont WFPFC8002 WFPFC9001 FXWTC SCWH-5 WHEF-WHWC WHCF-WHWC AMZN-SCWH-5 4Pack

PUREPLUS$26.904.6★7,698 rev

CFS Carbon Block Filters for GE GXWH04F GXWH20F GXWH20S GXRM10 4 Pack

CFS$29.694.4★398 rev

CFS Carbon Block Filter Compatible to GE GXWH04F GXWH20F GXWH20S GXRM10

CFS$18.874.5★288 rev

CFS Sediment Water Filters for GE GXWH04F GXWH20F GXWH20S GXRM10

CFS$20.534.6★342 rev

Newest

by launch date

F4Y Carbon Block Filters for FXWTC GXWH04F GXWH20S 2 Pack + O-Rings

Filters4you$14.0225 rev

2y ago

CFS Carbon Block Filter Compatible to GE GXWH04F GXWH20F GXWH20S GXRM10

CFS$18.87288 rev

2y ago

GE Whole House Water Filtration System Reduce Sediment Rust & More Install Kit & Accessories Included Filter Not Included Replace Filter (FXWTC FXUSC FXWPC FXWSC) Every 3 Months GXWH20T

GE$39.36429 rev

3y ago

EXCELPURE 1 Micron 10 x 2.5 Whole House CTO Carbon Water Filter Cartridge Replacement for Home Countertop System Dupont WFPFC8002 WFPFC9001 FXWTC SCWH-5 WHEF-WHWC WHCF-WHWC CTO10 T01 4PACK

EXCELPURE$26.59836 rev

5y ago

ICEPURE 1 Micron 2.5 x 10 Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002 WFPFC9001 SCWH-5 WHCF-WHWC WHCF-WHWC FXWTC CBC-10 RO Unit Pack of 4

ICEPURE$26.776,299 rev

6y ago

What buyers say about gxwh04f replacement filter

What buyers praise and complain about, mined from review topics.

What buyers love

Filtration35%

“Excellent filter”

Size-Overall14%

“Fit perfect”

Value For Money12%

“Great value”

Advertised Vs Actual Product9%

“As advertised”

Quality-Overall8%

“Excellent product”

Assembly/Installation4%

“Easy to install”

Durability3%

“Durable”

Efficiency2%

“Works great”

Water Flow1%

“clean water”

Pressure1%

“No pressure loss”

What buyers complain about

Filtration22%

“Useless water filters”

Size-Overall8%

“Did not fit”

Water Resistance8%

“Water Filtes”

Leak-Proof7%

“Leaks terribly”

Quality-Overall7%

“Poor quality”

Durability4%

“wears out quickly”

Functionality-Overall4%

“Doesn't take out all the chlorine”

Assembly/Installation4%

“Awkward to install as it has to fit perfectly”

Advertised Vs Actual Product4%

“Only giving 3-stars for misleading descriptions”

Spray/Flow4%

“Terrible restricted water flow very poor quality”

Top return reasons

Size-Overall48%

Filtration25%

Compatibility-Overall12%

Leak-Proof3%

Advertised Vs Actual Product2%

Defective Material/Parts2%

Assembly/Installation1%

Connectivity-Overall1%

Value For Money1%

Functionality-Overall1%

Common questions

Is gxwh04f replacement filter profitable to sell on Amazon United States?: The niche generates $45K/yr across 12 tracked products. 90-day search growth is +3.5%. Flapen's verdict: Skip it (45/100).
How competitive is the gxwh04f replacement filter niche?: 7 brands and 18 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in gxwh04f replacement filter?: Top complaints mined from reviews: Filtration, Size-Overall, Water Resistance. The return rate is 1.3%.
When does demand for gxwh04f replacement filter peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the gxwh04f replacement filter niche?: Listings span $11.88–$39.36; the average listing price is $23.33 (sweet spot $15–$100). The average incumbent carries 1,867 reviews — the moat a new listing must climb.