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#1 on this list
1400 ml Titanium Flask Bottle with Funnel (Ti3265D)
Boundless Voyage
Biggest flask here: 1.4 liters of uncoated titanium with a full-size funnel.
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- Specification researched
#2 on this list
Titanium Wine Flask 1000 ml / 500 ml (Ti3269D / Ti3268D)
Boundless Voyage
Best value large flask: a liter of titanium for $28.
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Specs side by side
| Spec | 1400 ml Titanium Flask Bottle with Funnel (Ti3265D) | Titanium Wine Flask 1000 ml / 500 ml (Ti3269D / Ti3268D) |
|---|---|---|
| Capacity | 1400 ml (47.3 fl oz) | — |
| Primary Material | Uncoated Grade 1 Titanium | — |
| Empty Weight | Approx. 210 g (7.4 oz) | — |
| Closure Style | Threaded titanium cap with silicone seal | Threaded cap with food-grade seal |
| Included Accessory | Matching titanium filling funnel | — |
| Profile | Oversized curved canteen silhouette | — |
| Material | — | Grade 1 (TA1) unlined titanium |
| Capacities | — | 500 ml and 1000 ml variants |
| Included Gear | — | Protective carry pouch and filling funnel |
| Exterior Finish | — | Sandblasted matte titanium |
| Form Factor | — | Flat-sided spirit canteen |
What our reviewers liked and didn't
1400 ml Titanium Flask Bottle with Funnel (Ti3265D)
- Massive 1.4-liter capacity built for group portage or long expeditions
- Chemically inert titanium preserves true liquor flavor indefinitely
- Remarkably low empty weight compared to glass or stainless equivalents
- Includes a dedicated titanium funnel that fits the narrow fill neck
- Too large and wide for conventional jacket or hip pocket carry
- Cap lacks a retaining leash and can be dropped or misplaced in snow
- Broad flat sidewalls will show cosmetic dings if dropped on hard rock
Titanium Wine Flask 1000 ml / 500 ml (Ti3269D / Ti3268D)
- Exceptional fluid capacity at an accessible price point
- Pure titanium construction leaves zero metallic taste in spirits
- Flat canteen profile packs efficiently against gear
- Indestructible alternative to fragile glass bottles
- Narrow mouth opening requires a funnel for spill-free fills
- Bare titanium threads can feel slightly gritty during operation
- Surface finish easily shows cosmetic scratches from pack grit
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