faucet supply lines
Skip itSoft demand (-7.2% this quarter) — this niche doesn't clear our bar today.
Price range
Good$5.08–$39.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$14.13avg listing price — sweet spot $15–$100
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Review moat
Good849.57avg incumbent reviews — the moat a new listing must climb
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Returns
Okay3.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.6★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
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.No pronounced peak months · busiest ÷ quietest = 1.2×
Top faucet supply lines search terms
- faucet supply lines27K/yr
- faucet connector11K/yr
- water supply line9K/yr
- faucet supply line9K/yr
- sink supply line8K/yr
- bathroom sink supply lines5K/yr
- supply lines for bathroom faucet5K/yr
- water supply lines for faucet10K/yr
- sink water line4K/yr
- faucet water supply line3K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share![[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$9.684.7★2,467 rev
[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$11.474.7★2,467 rev
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$9.654.6★376 rev
![[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$39.504.7★50 rev
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$11.544.6★473 rev
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$18.778 rev
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$13.60140 rev
10PK 16In 3/8 Comp x 1/2 FIP Faucet Supply Lines for Bathroom
SMZTools$28.9837 rev
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$20.70136 rev
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$9.32402 rev
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$9.574.6★
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$18.773.4★
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$14.444.5★
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$13.604.9★
[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$39.504.7★
What buyers say about faucet supply lines
What buyers praise and complain about, mined from review topics.What buyers love
“Hoses appear to be very good quality”
“do not leak”
“Fit good”
“Easy connections”
“Worth every penny”
“Just as advertised”
“Easy install”
“Easy to use”
“Works fine”
“it seems durable”
What buyers complain about
“Leaking”
“not top quality”
“Didn't fit”
“broke on first usage”
“Does not work”
“A single sentence in the instructions or a two-second demonstration in the video would have eliminated the confusion”
“Didn't fit on my faucet”
“Doesnt attach”
“defective product”
“These quick disconnect fittings are terrible”
Top return reasons
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.