Is there an adapter to fill these with a 1lb tank?

Yes, you still use the adapter for 20 lb tanks and add a 20lb to 1lb adapter. This is readily available at your hardware store and it's purpose is to allow you to hook up a 1lb propane bottle to your BBQ for when the 20lb runs out in the middle of a cookout. Sometimes called a "Steak Saver" HTH

Is tank suppose to leak gas after the bleeder valve is closed after filling?

No it should not leak after filling. But the smell of propane is strong give it a minute after filling to air out.

Why is it called a 1/4lb tank? It weighs half a pound empty and only holds about 1.5oz of propane.

It hold 50 grams of propane. I have filled two of these containers multiple times and 50 g is how much propane can be held. I have a YouTube viewer that independently verified the weight. The claimed 3.85 ounces is approximately 100 g which is double the actual capacity. Maybe the flame king company and explain. For fun I filled up one of these tanks with butane, and I weighed the fuel as 65 g.

Im loving how the cylinder looks, but is it a snap head or a screw on head?

it is a screw on head, the same as standard 1lb propane bottles to screw onto propane torches and anything that takes those

1 4lb Propane Cylinder | Desertcart British Virgin Islands

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$70.71

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Refill, reuse, and reignite your flame with confidence!

SAFETY FIRST 🔒 - Crafted from high-grade alloy steel with UL1769-listed valve for peace of mind on every refill.
REFILL SAVE 💰 - Slash costs and skip store runs with backyard refills using Flame King's fast, safe adapter (sold separately).
COMPACT POWERHOUSE 🔥 - Perfectly sized for precision tasks—welding, searing, caramelizing—comfortably fits in your hand.
CAMPFIRE ESSENTIAL 🏕️ - Light up your outdoor adventures with a portable propane source for lamps, lanterns, and torches.
ECO WARRIOR APPROVED ♻️ - Ditch disposables and reduce waste with a durable, reusable propane tank that’s built to last.

The Flame King 1/4-lb Empty Refillable Propane Cylinder Tank offers a compact, reusable propane solution with a 3.85 oz capacity. Featuring a patented UL1769-listed valve and high-grade alloy steel construction, it ensures safe, fast backyard refills while reducing environmental waste. Ideal for cooking torches, welding, and camping lanterns, this portable tank combines convenience, safety, and eco-conscious design for the modern professional on the go.

Specifications

ASIN	B0BGW116NC
Additional Features	Patented Valve, Refillable, Fast & Safe Refilling
Age Range Description	Adult
Best Sellers Rank	#113,802 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #74 in Camping Replacement Fuel
Bottle Type	Refillable, Pre-Purged, Vacuum Ready
Brand Name	Flame King
Capacity	3.85 ounces
Color	Green
Container Type	Tank
Customer Reviews	4.4 4.4 out of 5 stars (311)
Finish Types	Powder Coated
Included Components	3.85 Oz Empty Fuel Tank
Item Dimensions W x H	2"W x 5.13"H
Item Type Name	1/4-lb Empty Refillable Propane Cylinder Tank - Reusable & Transportable - Safe and Legal Refill Option - UL1769 Listed Valve
Item Weight	0.25 kg
Manufacturer	Flame King
Manufacturer Part Number	FK3.85LP
Material Type	Alloy Steel
Model Name	FK3.85LP - 1/4-LB Refillable Propane Cylinder
Model Number	FK3.85LP
Number of Items	1
Number of Packs	1
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	cooking torches, small propane lamps and lanterns, welding torches
Reusability	Reusable
Shape	Rectangular
Specific Uses For Product	small propane lamps and lanterns, welding torches, cooking torches, camping
Sport Type	camping
Style Name	1/4LB Tank (1-PK)
Theme	Camping
UPC	850034692111
Unit Count	1 Count

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$70.71

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.