Fill the flask
Use a trusted tap or the clearest available fresh-water source. Avoid stagnant, salty or visibly polluted water.
HydraTrail filtration system
Clean water.
Built into every run.
A compact 0.1 micron membrane filter sits inside the flask, with an activated carbon attachment available to help improve taste and odour when the trail takes you beyond the tap.
0.1 µmMembrane precision
0.5–1.5 L/minSpecified flow range
Up to 1,000 LSpecified filter capacity
BPA + PVC freeMaterials selected for hydration
How it works
Fill. Filter. Keep moving.
The system is integrated into the flask, so there is no separate pump or bulky bottle to carry. Water is pushed through the filter as you squeeze and drink.
Squeeze to filter
The flask pressure moves water through the internal membrane as you drink through the nozzle.
Capture particles
The 0.1 micron membrane is designed to reduce bacteria, protozoa, sediment, turbidity and microplastics.
Refine taste
Add the activated carbon attachment when you want extra help with unpleasant taste and odour.
Trail or tap
Not only for remote water.
A filtered soft flask earns its place on city routes too. Refill at public taps, reduce reliance on disposable bottles, and keep one familiar hydration setup from weekday training to long trail days.
Confidence at the refill point
Fill from a suitable public tap and drink through the same integrated system. It is a useful extra layer for runners moving between parks, fountains and unfamiliar refill stations.
Where carbon comes into its own
Natural water can carry earthy, organic or stale flavours even after physical filtration. The activated carbon attachment helps reduce those taste and odour compounds, making it especially useful when refilling from a suitable flowing stream.
The system, separated
Two stages. Two different jobs.
01
Activated carbon attachment
The removable upper stage is focused on taste and odour. It complements the membrane; it does not replace it and does not make chemically contaminated water safe.
02
Membrane filter cartridge
A polysulfone membrane sits inside a food-grade ABS housing. The specified pore size is 0.1 micron, forming the main physical filtration stage.
Polysulfone membrane
Food-grade ABS housing
BPA free
PVC free
Care and longevity
Look after the flow.
Filter life depends on water quality and maintenance. Cleaner source water and regular rinsing help the cartridge keep flowing for longer.
Rinse and prime
Rinse the filter thoroughly with clean water before drinking. Follow the instructions supplied with the product for first-use preparation.
Rinse 2–3 times
Flush with clean water, invert the cartridge and leave it in a ventilated place to air dry fully.
Backwash sediment
Use the backwash function to move clean water in the reverse direction and release trapped particles.
Short vinegar soak
Soak the wet filter in white vinegar for 3–5 minutes, rinse three times with clean water, then air dry.
Operating guide
- Temperature
- 0–40°C
- Specified capacity
- Up to 1,000 L
- Specified flow
- 0.5–1.5 L/min
- Cartridge size
- 7.6 × 3.5 cm
Important limits
Choose the source carefully.
- Do not use with seawater or brackish water.
- It does not remove dissolved salts, radioactive substances or every chemical contaminant.
- Do not allow the filter to freeze.
- Do not clean it in a dishwasher or microwave, or expose it to high heat.
- When contamination is suspected, do not rely on filtration alone.