propane refill adapter for 1 lb. tanks
Worth a lookShows 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 6% kills the launch gate
Avg price
Great$17.04avg 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–$25.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,387.9avg 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
Competition
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
26
Top-5 brand share
59%
Open market
35%
- CALPOSE22%
- GASPRO11%
- Kamnowal10%
- Siasky10%
- Rushare7%
- optheey6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
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
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
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
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
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
Trending
90-day click momentumMarvelity 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$18.564.5★
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$17.094.7★
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★
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.
WedFeir$14.194.4★
NUPICK Propane Refill Adapter for 1 LB. Tanks Propane Adapter 20lb to 1lb Converter with Gauge and Valve Propane Tank Refill Adapter with 90-Degree Elbow Design Come with Bottle Cap
NUPICK$14.384.5★
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×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The overall build quality is reasonable”
“As advertised”
“Easy to operate”
“Great money saver”
“Doesnt leak”
“Great design”
“The pressure gauge is helpful”
“Fits small canister”
“the right setup”
“Durable”
What buyers complain about
“leaks everywhere”
“Not properly working”
“Cheap quality”
“Gauge doesnt work”
“Needs better instructions”
“They cost more”
“Item not as described”
“Fell apart after a few years”
“a little short”
“Needs a release pressure button”