The opening decides whether it dries; the liters only decide weight · review
The only reservoir on this shelf to publish an empty weight — 130 g (4.6 oz) — alongside a slide-clip closure, full outside dimensions and a bladder the maker states can be turned inside out to clean.
Three liters, a soft bite valve with high flow that closes automatically, a slide-clip closure stated to be easy to assemble, easy to fill and leak-proof, a bladder that can be turned inside out for cleaning, frost resistance and heat resistance to 40 °C (104 °F), a hanging device for packs and vests, dimensions of 330 mm (13 in) × 170 mm (6.69 in) × 50 mm (1.97 in) and a weight of 130 g (4.6 oz).
130 g. Eight other reservoirs in this family describe themselves as ultralight and none of them weighs itself. This one does, and a figure is the only thing that can be compared.
330 × 170 × 50 mm. Full outside dimensions, so whether it fits the sleeve in your pack is a question that can be answered now rather than on arrival.
A slide clip opens the whole top edge, and the maker states the reservoir can be reversed. Between them that is the arrangement this family is really judged on: an inside surface you can reach, and a bladder that dries without a frame.
Film material. Not named. Seam construction. Not named. Hose length and bore. Neither published, which means the tube is another thing to check against your pack routing.
Hold the 330 × 170 mm (13 × 6.69 in) figure against your reservoir sleeve, and note the 40 °C (104 °F) ceiling if the pack lives in a car boot in summer. Both are on the page, which is more than most of this shelf offers.
The American Amazon store was listing it at about $53 at the time of writing.
Every figure here is what Keepa held on the day this page was last revised. Offers and prices shift without warning.
Prices quoted in this text were read on October 23, 2026. The live price is at the top of the page.
A listing is not an offer: the reference exists on these stores, availability changes daily.
| Capacity | 3.0 liters — stated |
|---|---|
| Opening type | A slide-clip closure — stated, and stated to be both easy to fill and leak-proof |
| Fill port width | Not published on the listing — the reservoir is given as 330 mm (13 in) × 170 mm (6.69 in) × 50 mm (1.97 in), which bounds the closure without measuring it |
| Hose internal diameter | Not published on the listing — no hose length is published either |
| Bite valve | A soft bite valve with high flow — stated |
| Shut-off | The bite valve is stated to close automatically |
| Quick-disconnect fitting | Not published on the listing |
| Film material | Not published on the listing — the maker states frost resistance and heat resistance to 40 °C (104 °F) without naming the film |
| Seam construction | Not published on the listing |
| Stated cleaning method | The reservoir is stated to be reversible — it can be turned inside out for cleaning |
| Empty weight | 130 g (4.6 oz) — stated |
| Amazon reference | B0D5R7HDFD |
| EAN | 4046051176703 |
Because the inside is what has to dry, and a reservoir that can be reversed dries in the open air instead of holding a damp fold. It is the cleaning arrangement that needs no brush, no tablets and no drying frame.
It is the heat resistance the maker states for the system. It is a published limit rather than a warning about anything in particular, and it is worth knowing if the pack spends afternoons in a car or on hot rock.
No. Not published on the listing — the reservoir is given as 330 mm (13 in) × 170 mm (6.69 in) × 50 mm (1.97 in), which bounds the closure without measuring it. What the listing does publish instead is the stated cleaning method: The reservoir is stated to be reversible — it can be turned inside out for cleaning.
7.8/ 10
The only listing here that weighs itself, measures itself and says how it is cleaned. What it does not do is name its own film.
Close prices, same category: comparable camping gear. We keep only the specifications all of them publish, because a column with gaps compares nothing.
| Model | Price | Capacity | Opening type | Fill port width | Hose internal diameter |
|---|---|---|---|---|---|
| deuter Streamer II 3.0 L reservoir | $45 | 3.0 liters — stated | A slide-clip closure — stated, and stated to be both easy to fill and leak-proof | Not published on the listing — the reservoir is given as 330 mm (13 in) × 170 mm (6.69 in) × 50 mm (1.97 in), which bounds the closure without measuring it | Not published on the listing — no hose length is published either |
| HydraPak Force 3L | $46 | 3 L — stated. The larger of the two HydraPak reservoirs in this group, and the most expensive listing on this shelf | A wide Slide-Seal top — stated to make filling easy, with the reservoir fully reversible. It is the opening type this shelf's introduction prefers, because it can be turned back on itself and dried | Not published as a figure. The Slide-Seal is a full-width opening rather than a port | Not published. The tube is described as flexible and non-kinking, insulated by a HydraFusion sleeve with a dust cover, and no bore is given |
| CamelBak Crux 3L | $40 | 3 L — stated, and given also as 100 oz. The larger of the two Crux reservoirs in this group, where the other is 2 L and ten dollars less | A leak-proof cap, stated to be easier to open and close and tightened so it will not leak in a bag. The type is not named beyond cap, and no reversibility is claimed | Not published. The reservoir is stated to be easier to load and refill, with no figure | Not published. Fifteen of the seventeen listings on this shelf publish no bore, and this is one of them — on a listing whose main claim is about flow |
| HydraPak Contour 2L | $40 | 2 L — stated. The smaller of the two HydraPak reservoirs in this group; the Force beside it is 3 L | A Slide-Seal top — a full-width slide closure, stated as updated, carrying a universal pack hanger designed to work with clips, hooks and loops from a variety of pack brands. It is the opening type this shelf's introduction prefers, because it can be turned back | Not published as a figure. The Slide-Seal is a full-width opening rather than a port, so the width is the width of the reservoir | Not published |
A pack where the reservoir has to be cleaned and dried properly, and where 130 g (4.6 oz) is a figure you want to know rather than guess.
Amazon reports what buyers took in the month before this page was last checked: at least 400.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for camping and hiking gear and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
2 L reservoir · large opening, type not named · hose supplied · almost nothing else published
A 2 liter reservoir sold with a hose, whose listing publishes the capacity and then almost nothing else — no opening type, no film, no valve, no fittings and no weight.
Best for: A replacement reservoir where the pack sleeve is the only constraint and the details are worked out on arrival.
3 L reservoir · two hoses, summer and winter · cleaning brush included · opening type not named
A 3 liter reservoir that ships with two drinking hoses and a cleaning brush — three items other listings sell separately — while naming neither the opening, nor the film, nor the valve.
Best for: Someone who wants the brush and the winter hose in the same box and will find out about the opening on arrival.
Two 2 L reservoirs, 70 oz each · 4 in screw cap, the widest port stated here · bite valve with on/off · quick-release with auto-lock · a neck gaiter supplied · no bore, no film named
Two complete reservoirs for sixteen dollars, with the widest fill port stated on this shelf at four inches — on a page whose wording appears under two other brands in this same group.
Best for: Two people, or a spare kept filled in a fridge, where price per reservoir is the whole decision
≈ $16
