# Osprey Hydraulics Reservoir, 3-litre, model 10005148

The Osprey Hydraulics Hydration Reservoir & Flask is a 3-litre reservoir for carrying water in a suitable pack. Its listed features include a one-handed Slide-Seal opening and a compact bite valve with a thumb-operated on/off lever.

- [Original product page](https://bargainpostbox.co.uk/product/osprey-hydraulics-3-litre-hydration-reservoir)
- [View offer](https://bargainpostbox.co.uk/visit/osprey-hydraulics-3-litre-hydration-reservoir)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Osprey
- Model: 10005148
- Category: Sports & Outdoors > Camping & Hiking
- Price: 36.40 GBP
- Previous price: 56.00 GBP
- Discount: 35%
- Price checked: 2026-11-14T09:56:43.842Z
- Rating: 4.3 / 5
- Reviews: 487

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The opening is designed for one-handed filling and is described as compact to help the reservoir slide into a pack.
- The bite valve has a thumb-operated on/off lever for regulating water flow with one hand.
- A magnetic bite valve and updated hose-capture parts are intended to keep the hose close by.

## Pros

- The one-handed handle and Slide-Seal opening are designed to make filling and carrying easier.
- The thumb-operated on/off lever offers a way to regulate flow while using the bite valve.
- A low, wide profile backerplate is intended to make inserting a refilled reservoir into a full pack easier.

## Specifications

### Identity
- Brand: Osprey
- Model: 10005148
- Product type listed: Backpack
### Capacity and dimensions
- Capacity: 3 litres
- Tank volume: 3 Litres
- Dimensions: 18W x 39H centimetres
- Weight listed: 0.52 Pounds
### Materials and appearance
- Material listed: Nylon
- Colour: Black
### Use and design
- Sport: Cycling
- Strap type: No Strap
- Pocket count: 1
- Pocket description: Utility Pocket

## Before you buy

- The listing gives the capacity as both “3 litres” and “3 Litres”. It also lists the item type as “Backpack” despite describing a reservoir, and lists nylon as the material. Confirm the specific reservoir construction and pack compatibility before buying.

## In the box

- 1 water reservoir (Included)

## A good fit for

- Cyclists or hikers wanting a 3-litre reservoir for a compatible pack.
- Buyers who prefer one-handed filling and a bite valve with a shut-off lever.

## Less suited to

- Anyone seeking a complete hydration backpack with shoulder straps, since the listing says “No Strap” and identifies a water reservoir as the included component.

## Customer feedback

Customer feedback describes the reservoir as easy to use and reports positive experiences with quality and functionality. Reports are mixed on leakage, taste, water flow and value, while some feedback raises durability concerns. The listed one-handed opening and bite valve may be relevant to ease of use, but do not settle those reported differences. Buyers relying on dependable flow or long-term durability should weigh the mixed feedback against their needs.
- Positive themes: Customers describe the reservoir as easy to use and report positive experiences with quality and functionality.
- Negative themes: Some customer feedback raises concerns about durability, including a reported bladder defect.
- Mixed feedback: Customer reports differ on leakage, taste and water flow, with some reporting no issues and others describing leaks, a plastic taste or poor flow.
- Mixed feedback: Opinions on value are divided.

## Frequently asked questions

### What is the listed capacity?
The capacity is listed as 3 litres, with the tank volume also given as 3 Litres.
### Does it have a shut-off valve?
The listing describes a compact bite valve with a thumb-operated on/off lever.
### Is this a hydration backpack?
The listing calls the item type a backpack, but identifies the included component as one water reservoir and lists “No Strap”. Treat it as a reservoir rather than a complete backpack.

## Alternative options

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- [JOYHILL Hydration Bladder, 3 L 2 L 1.5 L Water Bladder BPA Free, 3 Liter Large Opening Water Reservoir, Leak Proof Military Water Storage Bladder Bag for Cycling Hiking Camping Biking Running](https://bargainpostbox.co.uk/visit/osprey-hydraulics-3-litre-hydration-reservoir)
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- [MARCHWAY Ultra Durable TPU Hydration Bladder with Insulated Tube, 2.5L/3L \| Water Reservoir for Hydration Pack, Wide Opening, Smooth Flow, On/Off Valve, Easy Clean for Cycling, Hiking, Running, Camping](https://bargainpostbox.co.uk/visit/osprey-hydraulics-3-litre-hydration-reservoir)
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## Add-ons

- [Osprey Hydraulics Hydration Reservoir Accessories](https://bargainpostbox.co.uk/visit/osprey-hydraulics-3-litre-hydration-reservoir)

## Images

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 1](https://bargainpostbox.co.uk/i/Q4FK8CHzslGO8vHzq-oYqUsVZJsh8f6J-BAfPzZi95_EfmC_LnSjn4jaZLcXwOulylKJU5_5gCc3LNS29aHnNtT-E8wePHg5xoGlgbY2TpO0Tjk1D54ODlOr.jpg)

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 2](https://bargainpostbox.co.uk/i/FpcLJubt9WdUFt4iuLolW7oSSvPYXTH6LIiUySLYnv-MlgvgrOPTd_kG30r7zRFNSjCMTquo7NrLAadP6i3OQx8fqNN-o_1M85S19eMOAQuBLUSVAlQdf9qO.jpg)

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 3](https://bargainpostbox.co.uk/i/UWDViRLBITz6NPFgsDN6FZqj8LsQeujiVB3E7lhi_r0E6u-mvAe4embFZEHQ00l6IrsbkDqtPsN4_CDbBQoQbzB3NxQ7MgWkyzfNLv2AmWOVAndcdoYL3TfI.jpg)

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 4](https://bargainpostbox.co.uk/i/ypqV7vR4zu_HbKyFeU7g9HiTHiZpCwMVcf1sld0mgf4keofVmOXHKxlwqNt-1a_0fYrBvz2uxSrrQYKcC1_mAOUMD4vDKI0KNCxbEP5w0xyZZ8gXQhLHMGcu.jpg)

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 5](https://bargainpostbox.co.uk/i/-riNW0C9N2P7LV6dzwnfUJU4CaVgbXh9FH4pNu22A5JD_jyFf1gb_bkXPWnZJMZ2RWsJcjEGd21GkxmREgzBPRbjrcXW6EiP9QjFaZTUyS1EbwEMC3fUajBE.jpg)

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 6](https://bargainpostbox.co.uk/i/ZWgMHyEB8TWFuZeIOM58atQmjyo5v3uqJWOi8gsJPBWM-it9cr9dOhY9PZikrjAfiAHf-7ZgKHFQ0jr0YTDKZY3zaatK_KWoa24u55rJedYPqOIg_nTxhuVO.jpg)

![Osprey Hydraulics Reservoir, 3-litre, model 10005148 — 7](https://bargainpostbox.co.uk/i/EtrTcg7wH7twUewuH1y88CE5Js67rcoMDvzUjpBSKeSd5w-1KYRJSyzqnfx-ARC2VwZQFpnKJGdZep6Y3MxAIpyHsv0GiW17GQhYuqD5LlZpZXSracE6vDX0.jpg)