Is propane refill adapter for 1 lb. tanks profitable to sell on Amazon United States?

The niche generates $701K/yr across 21 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -35.1%. Flapen's verdict: Worth a look (59/100).

How competitive is the propane refill adapter for 1 lb. tanks niche?

18 brands and 26 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 59% of demand.

What do buyers complain about in propane refill adapter for 1 lb. tanks?

Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Quality-Overall. The return rate is 0.6%.

When does demand for propane refill adapter for 1 lb. tanks peak?

Demand peaks in Jan–Feb–Dec; the busiest month runs 3.8× the quietest.

What does it cost to enter the propane refill adapter for 1 lb. tanks niche?

Listings span $6.86–$25.64; the average listing price is $17.04 (sweet spot $15–$100). The average incumbent carries 1,388 reviews — the moat a new listing must climb.

propane refill adapter for 1 lb. tanks

Worth a look

Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Avg price

Great$17.04

avg listing price — sweet spot $15–$100

Conversion

Great7.5%

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

Brand share

Great59%

top-5 brand share — no brand owns this niche

Market size

Good$701K

$701K/yr · 547K searches

Price range

Good$6.86–$25.64

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Good1,387.9

avg incumbent reviews — the moat a new listing must climb

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-35.1%

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

According to Flapen's Amazon United States niche tracking, propane refill adapter for 1 lb. tanks is a $701K/yr Amazon United States market (547K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 59/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

propane refill adapter for 1 lb. tanks market data

Units sold / yr: 50K–60K; avg 1,500–2,000/product
Revenue / yr: $852K–$1.0M; units × avg price
Conversion rate: 7.5%
Avg BSR: #96
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 3.3%
Avg brand age: 39 months
Avg seller age: 160 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

35%

CALPOSE22%
GASPRO11%
Kamnowal10%
Siasky10%
Rushare7%
optheey6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -35.1% search growth over the last 90 days.

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 3.8×

Open Trend

Top propane refill adapter for 1 lb. tanks search terms

propane refill adapter208K/yr -23.0%7.8% conv.
propane refill adapter for 1 lb. tanks74K/yr -48.0%8.8% conv.
propane tank refill adapter30K/yr -34.7%7.0% conv.
propane refill26K/yr -36.0%1.9% conv.
1lb propane refill adapter25K/yr -55.8%8.7% conv.
propane refill kit20K/yr -46.0%2.9% conv.
propane filler adapter 1 pound22K/yr -47.5%10.0% conv.
1 lb propane tank refill adapter24K/yr -59.0%7.5% conv.
propane bottle refill adapter21K/yr -47.9%7.7% conv.
propane 1lb refill adapter13K/yr -28.5%5.3% conv.

All search terms

Top propane refill adapter for 1 lb. tanks 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CALPOSE Propane Refill Adapter with Valve and Gauge Fill 1 Pound Bottles from 20lb Tank Fits QCC1 / Type1 Propane Tank and 1 lb Throwaway Disposable Cylinder Propane Bottle Connector

CALPOSE$16.324.3★1,745 rev

Propane Refill Adapter for 1 lb Tanks 3FT Hose with Pressure Gauge & ON/Off Valve QCC1/Type1 20lb to 1lb Propane Tank Refill Adapter Heavy-Duty Brass Propane Transfer Hose for Camping Grill

Kamnowal$22.974.0★87 rev

Siasky Upgraded Propane Refill Adapter 20lb to 1lb Converter Design with Valve and Gauge QCC1 Propane Refill Adapter 90-Degree Elbow with ON/Off Control Fill 1 lb Tanks from 5-40 LB Propane Tank

Siasky$13.454.4★1,024 rev

GASPRO Upgraded Propane Refill Adapter with Valve and Gauge Fill 1 lb Bottles from 20 lb Tank 90-Degree Elbow Design Easy to Use Solid Brass

GASPRO$17.194.5★9,707 rev

Rushare Upgraded Propane Refill Adapter for 1 lb. Tanks with Valve and Gauge Fill 1 lb Bottles from 20 lb Tank 90-Degree Elbow Design Easy to Use Solid Brass

Rushare$15.514.4★386 rev

Newest

by launch date

Marvelity Propane Refill Adapter for 1 lb Tanks with 2 Bottle Caps 3FT Brass Hose with Pressure Gauge & ON/Off Valve QCC1/Type1 20lb to 1lb Propane Tank Refill Adapter for Camping Grills

Marvelity$18.5625 rev

2mo ago

Propane Refill Adapter for 1 lb Tanks 3FT Hose with Pressure Gauge & ON/Off Valve QCC1/Type1 20lb to 1lb Propane Tank Refill Adapter Heavy-Duty Brass Propane Transfer Hose for Camping Grill

Kamnowal$22.9787 rev

6mo ago

Devvicoo Propane Refill Adapter for 1 lb. Tanks 3 FT Stainless Steel Hose with Pressure Gauge & ON-Off Control Valve Fits QCC1/Type 1 Propane Tank Fill 1LB Bottles from 20LB Cylinder 2 Caps

Devvicoo$17.0941 rev

6mo ago

2025 Upgraded Propane Refill Adapter with Valve & Gauge Solid Brass QCC1 Refill Elbow for 1LB Small Tank to 5-40LB Cylinders Camping & Grill Use

liucocotos$16.05167 rev

11mo ago

Propane Refill Adapter for 1 lb. Tanks 3FT Hose with Pressure Gauge & Valve Heavy-Duty Brass QCC1/Type1 Connector Safe Refilling from 20lb Cylinder for Camping

HICOOI$23.67481 rev

1y ago

What buyers say about propane refill adapter for 1 lb. tanks

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

What buyers love

Quality-Overall22%

“The overall build quality is reasonable”

Advertised Vs Actual Product18%

“As advertised”

Ease Of Use18%

“Easy to operate”

Value For Money13%

“Great money saver”

Leak-Proof4%

“Doesnt leak”

Design-Overall3%

“Great design”

Pressure3%

“The pressure gauge is helpful”

Size-Overall2%

“Fits small canister”

Assembly/Installation2%

“the right setup”

Durability1%

“Durable”

What buyers complain about

Leak-Proof25%

“leaks everywhere”

Functionality-Overall24%

“Not properly working”

Quality-Overall10%

“Cheap quality”

Measurement/Reading Accuracy5%

“Gauge doesnt work”

Instructions/User Manual/Troubleshooting5%

“Needs better instructions”

Value For Money3%

“They cost more”

Advertised Vs Actual Product3%

“Item not as described”

Durability2%

“Fell apart after a few years”

Size-Overall2%

“a little short”

Pressure2%

“Needs a release pressure button”

Top return reasons

Leak-Proof22%

Size-Overall21%

Functionality-Overall12%

Advertised Vs Actual Product10%

Defective Material/Parts8%

Connectivity-Overall6%