---
title: "Fc100a1037 — $106K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/fc100a1037"
last_updated: "2026-08-09T02:14:14.815Z"
locale: en
meta:
description: "Niche score 46/100 · $106K/yr market · 8K searches/yr · $75.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $106K/yr market · 8K searches/yr · $75.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Fc100a1037 — $106K/yr Amazon US Niche (2026) - Flapen"
---
# **fc100a1037**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 47Conversion 98Competition 15Returns 95Price range 68Avg price 84Brand share 7Review moat 59Quality gap 17
**Conversion**
**Incredible****17.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$75.28**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$36.11–$130.14**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,140.67**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+17.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$106K**
$106K/yr · 8K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, fc100a1037 is a $106K/yr Amazon United States market (8K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fc100a1037 market data**
- **Units sold / yr**
- **1K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$94K–$113K**
- units × avg price
- **Conversion rate**
- **17.0%**
- **Avg BSR**
- **#169**
- **Page quality**
- **0%**
- **Prime**
- **33%**
- **Sponsored**
- **67%**
- **Out of stock**
- **5.4%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **216 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **—flat
**Sellers**
**40**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**0%**
- Honeywell71% - Honeywell Home9% - Homequip8% - RESIDEO5% - Wholesalehome4% - Filtrete3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — +17.7% search growth over the last 90 days.
300200Spike '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/fc100a1037/trend)
## **Top fc100a1037 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.
0%10%$11K20%$21K30%$32K40%$43K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Honeywell FC100A1037-5 20 x 25 Merv 11 Filter Media (Pack of 5)**Honeywell**$129.82**4.8★1,162 rev](https://www.amazon.com/dp/B019C1OLAW) [2**Honeywell FC100A1037 (2 Pack) - 20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$66.60**4.8★258 rev](https://www.amazon.com/dp/B0D5RFZCYB) [3**Honeywell FC100A1037 Ultra Efficiency Air Cleaning Filter 20X25-Inches (MERV-11)**Honeywell Home**$36.11**4.6★2,960 rev](https://www.amazon.com/dp/B003J7JSFY) [4**20x25x4 Furnace Filters FC100A1037 Filter Replacement Merv 11 Filter Media with Homequip Disposal Bag (2 Pack)**Homequip**$76.35**4.7★1,088 rev](https://www.amazon.com/dp/B007R7XFZG) [5**Honeywell FC100A1037 20x4x25 Merv 11 Filter Media Pack of 5**Honeywell**$130.14**4.8★2,606 rev](https://www.amazon.com/dp/B0076OXFN2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Honeywell FC100A1037-20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (2-Pack)**RESIDEO**$68.46**62 rev7mo ago](https://www.amazon.com/dp/B0G5BPYFYY) [**20x25x4 Air Filter Replacement MERV 11 FC100A1037 Pleated HVAC AC Furnace Filters with Wholesalehome Cleaning Cloth 2-Pack (Actual Size: 19.94 x 24.88 x 4.38 Inches)**Wholesalehome**$70.52**48 rev8mo ago](https://www.amazon.com/dp/B0G2ZV1X8G) [**Honeywell FC100A1037 (2 Pack) - 20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$66.60**258 rev2y ago](https://www.amazon.com/dp/B0D5RFZCYB) [**Honeywell FC100A1037 2-Pack Ultra Efficiency Air Cleaning Filter 20X25-Inches (MERV-11)**Honeywell**$54.65**99 rev3y ago](https://www.amazon.com/dp/B008HQ4M3K) [**Filtrete 20x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 2-Pack Fits Honeywell & AprilAire AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 19.88 x 24.63 x 4.31 in)**Filtrete**$44.90**1,983 rev4y ago](https://www.amazon.com/dp/B09RQCX5YR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Honeywell FC100A1037 (2 Pack) - 20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder**Honeywell**$66.60**4.8★**▲ 84%**](https://www.amazon.com/dp/B0D5RFZCYB) [**Honeywell FC100A1037-20 x 25 x 4 Pleated Air Filter MERV 11 Bundle with Same Day Supply Filter Change Reminder (2-Pack)**RESIDEO**$68.46**4.7★**▲ 29%**](https://www.amazon.com/dp/B0G5BPYFYY) [**20x25x4 Furnace Filters FC100A1037 Filter Replacement Merv 11 Filter Media with Homequip Disposal Bag (2 Pack)**Homequip**$76.35**4.7★**▲ 26%**](https://www.amazon.com/dp/B007R7XFZG) [**Honeywell FC100A1037-5 20 x 25 Merv 11 Filter Media (Pack of 5)**Honeywell**$129.82**4.8★**— 6%**](https://www.amazon.com/dp/B019C1OLAW) [**Honeywell FC100A1037 Ultra Efficiency Air Cleaning Filter 20X25-Inches (MERV-11)**Honeywell Home**$36.11**4.6★**— 9%**](https://www.amazon.com/dp/B003J7JSFY)
**~~View all trending →~~**
## **What buyers say about fc100a1037**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**22%
*“Strong filter”*
**Value For Money**18%
*“Great value for the money”*
**Advertised Vs Actual Product**15%
*“As advertised”*
**Quality-Overall**14%
*“Quality item, delivered by Amazon quickly and as advertised”*
**Size-Overall**13%
*“Perfect size and fit for my AC unit”*
**Ease Of Use**4%
*“Easy”*
**Assembly/Installation**2%
*“Easy installation”*
**Efficiency**2%
*“Works well collecting air particles”*
**Strength**1%
*“Super sturdy construction and caught so much dust from entering our ducts”*
**Ease Of Cleaning**1%
*“do a great job capturing dust”*
### **What buyers complain about **
**Size-Overall**36%
*“Don't Fit”*
**Filtration**22%
*“it's filter itself which is not fine”*
**Value For Money**12%
*“I just wish they were cheaper”*
**Quality-Overall**5%
*“make me suspect poor quality”*
**Adhesion/Stickiness**4%
*“some of them glued while others not”*
**Product Condition**3%
*“Amazon Resale came through”*
**Thickness**3%
*“Not 4 it's 4 5/16 thick”*
**Color**1%
*“The difference is Not only in the black vs red colored filters- the manufacturing is really bad”*
**Advertised Vs Actual Product**1%
*“wrong description on the website”*
### **Top return reasons **
**Size-Overall**68%
**Filtration**16%
**Compatibility-Overall**7%
**Value For Money**4%
**Advertised Vs Actual Product**2%
**Thickness**1%
**Defective Material/Parts**1%
**Ease Of Use**0%
**Functionality-Overall**0%
**Thin**0%
## **Common questions**
- **Is fc100a1037 profitable to sell on Amazon United States?**
- The niche generates $106K/yr across 9 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +17.7%. Flapen's verdict: Skip it (46/100).
- **How competitive is the fc100a1037 niche?**
- 6 brands and 40 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in fc100a1037?**
- Top complaints mined from reviews: Size-Overall, Filtration, Value For Money. The return rate is 1.0%.
- **When does demand for fc100a1037 peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the fc100a1037 niche?**
- Listings span $36.11–$130.14; the average listing price is $75.28 (sweet spot $15–$100). The average incumbent carries 1,141 reviews — the moat a new listing must climb.
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