---
title: "Faucet Supply Lines — $104K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/faucet-supply-lines"
last_updated: "2026-08-09T02:14:41.585Z"
locale: en
meta:
description: "Niche score 44/100 · $104K/yr market · 124K searches/yr · $14.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $104K/yr market · 124K searches/yr · $14.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Faucet Supply Lines — $104K/yr Amazon US Niche (2026) - Flapen"
---
# **faucet supply lines**
**Skip it**
Soft demand (-7.2% this quarter) — this niche doesn't clear our bar today.
Market size 26Growth 21Conversion 66Competition 57Returns 39Price range 72Avg price 68Brand share 48Review moat 66Quality gap 32
**Price range**
**Good****$5.08–$39.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$14.13**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****849.57**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****3.9%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$104K**
$104K/yr · 124K searches
**Growth**
**Bad****-7.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, faucet supply lines is a $104K/yr Amazon United States market (124K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **faucet supply lines market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$113K–$141K**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#27**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **84%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**50**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 84%
**Open market**
**19%**
- PROCURU34% - PLUMBINGMASTER16% - Midanya15% - ARCORA6% - Eastman5% - KAINGA4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.2% search growth over the last 90 days.
3K2K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/faucet-supply-lines/trend)
## **Top faucet supply lines search terms**
- **faucet supply lines**27K/yr-9.6%4.9% conv. - **faucet connector**11K/yr+19.2%1.1% conv. - **water supply line**9K/yr+36.6%3.2% conv. - **faucet supply line**9K/yr-4.3%3.6% conv. - **sink supply line**8K/yr-7.4%7.4% conv. - **bathroom sink supply lines**5K/yr-11.3%6.3% conv. - **supply lines for bathroom faucet**5K/yr-15.5%7.8% conv. - **water supply lines for faucet**10K/yr-58.9%5.7% conv. - **sink water line**4K/yr-10.9%6.4% conv. - **faucet water supply line**3K/yr+30.9%3.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/faucet-supply-lines/search-terms)
## **Top faucet supply lines 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%4%$4K8%$8K12%$12K16%$17K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1![[2-Pack] PROCURU 16-Inch (1.3Ft) x 3/8 Comp x 1/2 FIP Faucet Hose Connector Stainless Steel Braided Supply Line Certified Safe (9SF16-2P)](https://m.media-amazon.com/images/I/41ni88AwPxL.jpg)**\[2-Pack\] PROCURU 16-Inch (1.3Ft) x 3/8 Comp x 1/2 FIP Faucet Hose Connector Stainless Steel Braided Supply Line Certified Safe (9SF16-2P)**PROCURU**$9.68**4.7★2,467 rev](https://www.amazon.com/dp/B01MQDY0JP) [2![[2-Pack] PROCURU 24-Inch (2Ft) x 3/8 Comp x 1/2 FIP Faucet Hose Connector Braided Stainless Steel Supply Line Certified Safe (9SF24-2P)](https://m.media-amazon.com/images/I/41ni88AwPxL.jpg)**\[2-Pack\] PROCURU 24-Inch (2Ft) x 3/8 Comp x 1/2 FIP Faucet Hose Connector Braided Stainless Steel Supply Line Certified Safe (9SF24-2P)**PROCURU**$11.47**4.7★2,467 rev](https://www.amazon.com/dp/B01M5KIV08) [3**Midanya Faucet Supply Lines 24 Stainless Steel Braided Water Supply Line 1/2 FIP x 3/8 COMP Faucet Hose Faucet Hose Connector x 2 Pcs (1 Pair)**Midanya**$9.65**4.6★376 rev](https://www.amazon.com/dp/B0CZQJ4XT6) [4![[10-Pack] PLUMBINGMASTER Faucet Hose Faucet Supply Lines (3/8 Comp x 1/2 FIP) Certified Safe Supply Lines for Bathroom Faucet (16 inch)](https://m.media-amazon.com/images/I/4197YzXjiLL.jpg)**\[10-Pack\] PLUMBINGMASTER Faucet Hose Faucet Supply Lines (3/8 Comp x 1/2 FIP) Certified Safe Supply Lines for Bathroom Faucet (16 inch)**PLUMBINGMASTER**$39.50**4.7★50 rev](https://www.amazon.com/dp/B0DBLFQSMC) [5**Midanya 32-Inch Long Faucet Water Supply Lines Braided Stainless Steel Supply Hose 3/8-Inch Female Compression Thread x M10 Male Connector x 2 Pcs (1 Pair)**Midanya**$11.54**4.6★473 rev](https://www.amazon.com/dp/B07YZ47TLF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**QWORK 16 Inch Faucet Hose 10 Pcs Stainless Steel Braided Supply Line Faucet Supply Lines 16 x 3/8 Comp x 1/2 FIP**QWORK**$18.77**8 rev11mo ago](https://www.amazon.com/dp/B0FP49R3FT) [**KAINGA 30 Faucet Supply Line 3/8 inch Comp x 1/2 inch FIP Faucet Connector Braided Stainless Steel Faucet Hose for Bathroom Sink and Kitchen Leak-Resistant cUPC Certified Water Supply Line 2 Pack**KAINGA**$13.60**140 rev1y ago](https://www.amazon.com/dp/B0FH4K87J5) [**10PK 16In 3/8 Comp x 1/2 FIP Faucet Supply Lines for Bathroom**SMZTools**$28.98**37 rev1y ago](https://www.amazon.com/dp/B0FBM3D8QW) [**iVIGA 48-Inch Faucet Supply Lines: Braided Stainless Steel Flexible Faucet Hose Connector - 3/8 Compression x 1/2 FIP Water Supply Lines for Kitchen Bathroom Sink Hose Extension 2pcs**IVIGA**$20.70**136 rev1y ago](https://www.amazon.com/dp/B0F5HQP26S) [**PLUMBINGMASTER 12 Faucet Hose Connector 3/8 Comp x 1/2 FIP Braided Stainless Steel Faucet Water Supply Lines for Bathroom Kitchen Sink Faucet 2Pcs**PLUMBINGMASTER**$9.32**402 rev1y ago](https://www.amazon.com/dp/B0DSP59MKV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Midanya Faucet Supply Lines 16 Stainless Steel Braided Water Supply Line 1/2 FIP x 3/8 COMP Faucet Hose Faucet Hose Connector x 2 Pcs (1 Pair)**Midanya**$9.57**4.6★**▲ 293%**](https://www.amazon.com/dp/B0CZQJKSF4) [**QWORK 16 Inch Faucet Hose 10 Pcs Stainless Steel Braided Supply Line Faucet Supply Lines 16 x 3/8 Comp x 1/2 FIP**QWORK**$18.77**3.4★**▲ 195%**](https://www.amazon.com/dp/B0FP49R3FT) [**PLUMBINGMASTER 24 Faucet Hose Connector 3/8 Comp x 1/2 FIP Braided Stainless Steel Faucet Water Supply Lines for Bathroom Kitchen Sink Faucet 2Pcs**PLUMBINGMASTER**$14.44**4.5★**▲ 180%**](https://www.amazon.com/dp/B0CG97YJWS) [**KAINGA 30 Faucet Supply Line 3/8 inch Comp x 1/2 inch FIP Faucet Connector Braided Stainless Steel Faucet Hose for Bathroom Sink and Kitchen Leak-Resistant cUPC Certified Water Supply Line 2 Pack**KAINGA**$13.60**4.9★**▲ 84%**](https://www.amazon.com/dp/B0FH4K87J5) [![[10-Pack] PLUMBINGMASTER Faucet Hose Faucet Supply Lines (3/8 Comp x 1/2 FIP) Certified Safe Supply Lines for Bathroom Faucet (16 inch)](https://m.media-amazon.com/images/I/4197YzXjiLL.jpg)**\[10-Pack\] PLUMBINGMASTER Faucet Hose Faucet Supply Lines (3/8 Comp x 1/2 FIP) Certified Safe Supply Lines for Bathroom Faucet (16 inch)**PLUMBINGMASTER**$39.50**4.7★**▲ 63%**](https://www.amazon.com/dp/B0DBLFQSMC)
**~~View all trending →~~**
## **What buyers say about faucet supply lines**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Hoses appear to be very good quality”*
**Leak-Proof**12%
*“do not leak”*
**Size-Overall**9%
*“Fit good”*
**Connectivity-Overall**9%
*“Easy connections”*
**Value For Money**9%
*“Worth every penny”*
**Advertised Vs Actual Product**9%
*“Just as advertised”*
**Assembly/Installation**6%
*“Easy install”*
**Ease Of Use**3%
*“Easy to use”*
**Efficiency**3%
*“Works fine”*
**Durability**3%
*“it seems durable”*
### **What buyers complain about **
**Leak-Proof**32%
*“Leaking”*
**Quality-Overall**10%
*“not top quality”*
**Size-Overall**8%
*“Didn't fit”*
**Durability**5%
*“broke on first usage”*
**Functionality-Overall**5%
*“Does not work”*
**Instructions/User Manual/Troubleshooting**4%
*“A single sentence in the instructions or a two-second demonstration in the video would have eliminated the confusion”*
**Compatibility-Overall**4%
*“Didn't fit on my faucet”*
**Add-Ons/Attachments**3%
*“Doesnt attach”*
**Defective Material/Parts**2%
*“defective product”*
**Connectivity-Overall**2%
*“These quick disconnect fittings are terrible”*
### **Top return reasons **
**Size-Overall**60%
**Compatibility-Overall**7%
**Connectivity-Overall**6%
**Advertised Vs Actual Product**6%
**Leak-Proof**5%
**Functionality-Overall**4%
**Value For Money**3%
**Defective Material/Parts**3%
**Socket/Port/Plug**1%
**Add-Ons/Attachments**1%
## **Common questions**
- **Is faucet supply lines profitable to sell on Amazon United States?**
- The niche generates $104K/yr across 37 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Skip it (44/100).
- **How competitive is the faucet supply lines niche?**
- 17 brands and 50 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in faucet supply lines?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 3.9%.
- **When does demand for faucet supply lines peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the faucet supply lines niche?**
- Listings span $5.08–$39.91; the average listing price is $14.13 (sweet spot $15–$100). The average incumbent carries 850 reviews — the moat a new listing must climb.
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