Tritium Vials
Choose options
Always On.
Zero Power.
Self-powered tritium vials. No batteries. No charging. Just pure, self-sustained light for up to 25 years.
Tritium Sealed in Glass
Hydrogen-3 isotope undergoes natural beta decay, releasing low-energy electrons
Electrons Excite Phosphor
Beta particles strike the thin phosphor coating on the inner glass wall
Steady Continuous Glow
Phosphor emits a constant visible light for up to 25 years — no external energy needed
Zero Power. Pure Light.
Beta decay of hydrogen-3 produces a self-sustained glow. No charging, no batteries, no UV activation — ever.
Self-Powered
Generates its own light through natural radioactive decay, 24/7, for decades.
Mil-Spec Heritage
Trusted in aviation, military optics, and aerospace where darkness is the norm.
Swiss Precision
Manufactured in Switzerland under strict quality control. Directly imported.
Sealed & Safe
Hermetically sealed borosilicate glass with phosphor coating. Maintenance-free.
Choose Your Glow
Each color has a distinct brightness. Green is the brightest and most popular for maximum visibility.
Two Sizes. One Standard.
Choose the vial that fits your Antdesign product or custom project.
| Material | Borosilicate glass + Tritium gas (H-3) |
| Lifespan | Up to 25 years (brightness gradually decreases over time) |
| Origin | Switzerland |
| Colors | Green, Ice Blue, Yellow, Orange, Red, White, Pink, Purple |
| Power | Self-luminous — no external source required |
| Sold As | 1 vial per order |
| Applications | EDC tools, watches, instruments, aviation, decoration |
Choose the Right Size for Your Product
Match the tritium vial size to your Antdesign EDC product.
| Vial Size | Compatible Products |
| Φ1.5 × 6 |
• Pathfinder+ V2 • GH Carabiner • Q1 V2 - Supports Tritium Tubes • Titanium Belt Clip V2 • Titanium Grenade Keychain Glow Fob V2 • Titanium Thunder Hammer Keychain Glow Fob • E-ONE V2 • Titanium Lantern Tritium Bead • Titanium Lantern Glow Fob Mini • Apex |
| Φ2 × 6 | No corresponding Antdesign product available |
| Φ2 × 12 | No corresponding Antdesign product available |
| Φ3 × 11 | • Titanium Lantern Glow Fob |
| Φ3 × 22.5 | • Titanium Keychain Glow Fob |
Inspect with Confidence
We stand behind the quality of every vial we ship. Here's how to verify yours on arrival.
✓ Quick Inspection Guide
★ Our Quality Promise
Every vial is inspected before shipping. We're confident in what leaves our hands. To protect you, we offer a 5-day inspection window from the delivery date — plenty of time to verify your tube in a dark environment.
Free Installation Available
Ordering a tritium vial with an Antdesign product? Leave a note with your order specifying the color sequence, and we'll install it for you — no extra charge.
Light That Never
Runs Out.
Swiss-made tritium. No batteries. No charging. Just decades of glow.
- Quality Guaranteed by Antdesign
- 30-Day Return Policy
- Secure payments
- Standard shipping: 5-8 business days
- Express shipping: 3-5 business days
Customer Reviews
These vials are bright with a clean look and feel. Recommended.
Conforme à la description.
Thanks for making these available! I was delighted to see the foam packaging glowing in the little plastic box when i got it.
Some colors are definitely more noticeable than others. Green is always the best and brightest. Blue is good too but a step down. Love the yellow but the pink one has to be in a pretty dark environment to see well. I might replace it with a brighter color.
Be aware these are gonna look super bright in newer phone pics so some people may be disappointed. .This is a live photo not long exposure so this is probably appears like 5x brighter than it is I would say.
Bought this to replace the dead tritium vial in an old S.U.I.T. scope. It works but it doesn't glow as brightly as I expected it would.
Exactly what i needed
Fast and smooth!
This was my second order from Ant Design. Everything arrived super fast and was well packed all for a great price. Couldn’t recommend anywhere else to buy tritium vials from!
Way smaller than expected, not worth the price, amazon has bigger, cheaper, and more worthwhile ones.
The product size is clearly listed in the description, so “smaller than expected” is not an accurate criticism of the item itself.
Also, comparisons only make sense when the products are actually the same. A real tritium vial is not the same as a cheap glow alternative.
Please review the listing details and product type carefully before leaving a misleading comment.
Great vials. Very bright.