• Two black propane tanks with labels on a white background
  • Black cylindrical container with a gold cap on a white background
  • Gold threaded fitting with dimensions labeled on a white background
  • Gold-colored female hose connector held in a hand against a white background
  • Gold bottle cap on a white background
  • Hand holding a small mechanical component with gold casing and black interior.
  • Close-up of a mechanical component with gold and black finish on a white background
  • Gold metal cap with textured surface on a white background
  • Gold metal knob with textured design on a white background
  • Four gold metal knobs on a white background
  • Gold plumbing fitting with detailed text on its features against a white background
  • Two gold-colored components on a white background with '2Pcs' text above.
  • Three gold and black cylindrical objects with '3Pcs' text above on a white background

ProSeal Brass Propane BottleCaps

ProSeal Brass Propane BottleCaps

$12.99
$12.99 $17.99
SAVE 27% Sold out
Two black propane tanks with labels on a white background

ProSeal Brass Propane BottleCaps

$12.99
$12.99 $17.99
SAVE 27% Sold out

🚚 Free shipping on orders over $49

⚡ Ships within 24 hours — tracking number included

🛡️ 100% money back guarantee — 30 days, no questions asked

🌍 Worldwide shipping available

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Stop Trusting Cheap Plastic Propane Caps.

The cheap plastic caps that come with your 1LB propane bottles crack, leak, and let gas escape. 
ProSeal Caps are built from 100% solid brass — the last caps you'll ever need.

✅ Precision Inner Thread — Secure and airtight 
seal every time
✅ Fine Side Thread — Easy to screw in and out 
with one hand


✅ Sealed Silicone Design — Completely sealed, 
zero leakage
✅ High Quality Brass — Heavy duty, rust-free, 
built to last

WORKS WITH:
- Mr. Heater Big Buddy & portable heaters
- Fuel Keg 1LB refillable bottles
- Coleman & GoodCamp propane cylinders
- All standard 1LB propane bottles

Size: 

PERFECT FOR:
🏕️ Camping & Hiking
🍖 BBQ & Grilling  
🚐 RV & Van Life
🏠 Home & Emergency Use

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Return anytime within 30 days. No questions asked.

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  • 5 stars: 4 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
D
Denisa N.
Easy To Use

Perfect for camping and home storage. They twist on smoothly and give me peace of mind that my fuel stays where it should.

W
Will I.

These are so much better than the original caps that came with my bottles. The brass construction feels heavy duty and the seal is excellent.

G
Great Upgrade

Simple, sturdy, and well made. I can screw them on by hand in seconds, and I love knowing my propane bottles are better protected.

T
Tight Seal

I switched to these brass caps after dealing with cracked plastic ones, and the difference is huge. They feel secure, seal well, and are much easier to trust for storage.

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