ClarisFlow ™
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How It Works
How It Works
- Dip the intake end into any freshwater source, whether it's a river, lake, or stream.
- Attach it to your bottle or squeeze bag, or sip straight through the mouthpiece.
- Enjoy clean, filtered water instantly, wherever your trail takes you.
What's Included
What's Included
- 1 x ClarisFlow Water Filtration System
- 1 x Protective Dust Cap
Shipping & Returns
Shipping & Returns
We offer free shipping for all orders. Once your item/s is dispatched,
the estimated delivery time is:
- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days
You have 90 days to return your product for a full refund.
ClarisFlow
Engineered for Water That Fights Back
Hollow-Fiber Filtration at 0.01 Microns
A 0.01 micron hollow-fiber membrane blocks microscopic impurities most filters miss. Lakes, rivers, and streams become safe to drink without worry.
Universal Bottle Compatibility
The dual-threaded 28mm design screws onto standard bottles and squeeze bags alike. Switch setups in seconds, no extra gear required.
Rugged Outdoor Durability
Built from BPA-free, food-grade materials that resist drops, dirt, and rough trail conditions. It's tough enough for any adventure.
Consistent High Flow Rate
Even after heavy use, the membrane keeps water flowing fast and clear. No frustrating waits, just steady hydration on demand.
What our 17,000+ Customers say
Based On Real and Honest Experiences
My old filter turned into a slow drip after a few muddy trail sources, but ClarisFlow kept up the whole way. Flow stayed steady even after weeks on trail, and it's light enough I barely notice it in my pack.
We used to bring bulky pump filters camping and the kids always complained about the taste. ClarisFlow screws right onto their regular bottles and they actually drink enough water now without a fuss.
I was skeptical about trusting a small filter in an emergency, but ClarisFlow changed my mind. Its five-year shelf life gives me real peace of mind in my go-bag.
Frequently Asked Questions
Does it filter out viruses, not just bacteria?
Does it filter out viruses, not just bacteria?
ClarisFlow's 0.01 micron membrane physically blocks bacteria and protozoa, the main culprits behind waterborne illness. For areas with virus risk, pair it with a UV pen or purification tablets for full protection.
How long will the filter last?
How long will the filter last?
Each ClarisFlow filters up to 4000 liters of fresh water. Actual lifespan depends on how cloudy or sediment-heavy your water source is.
Does it fit on a regular water bottle?
Does it fit on a regular water bottle?
Yes! ClarisFlow has a 28mm threaded connector on both ends, so it fits most standard bottles and squeeze bags with ease.
Can I use it for saltwater or sketchy tap water abroad?
Can I use it for saltwater or sketchy tap water abroad?
ClarisFlow can't remove salt, since that needs reverse osmosis. But it's built for natural fresh water and questionable tap water abroad, filtering out the bacteria and protozoa behind most travel stomach illness.
How do I clean or backflush it out on the trail?
How do I clean or backflush it out on the trail?
Just backflush ClarisFlow with clean water after each use; no syringe or special tools needed. A quick rinse clears trapped sediment and keeps your flow rate strong.
Is it safe for kids, and does the water taste normal?
Is it safe for kids, and does the water taste normal?
Yes, ClarisFlow is safe for the whole family. Every part is BPA-free and food-grade, and filtering out sediment and impurities means no more chemical or plastic aftertaste.
How should I store it between trips so it doesn't fail?
How should I store it between trips so it doesn't fail?
Backflush ClarisFlow with clean water and let it dry fully before storing between trips. Keeping it clean and dry prevents buildup so it's ready to go next time you head out.
How accurate is the filtration?
How accurate is the filtration?
ClarisFlow uses a 0.01 micron hollow-fiber membrane that removes 99.9999% of bacteria, protozoa, and other contaminants from your water.