Full Spec Sheet & What It Removes +
| Weight | ~2 oz (57 g) |
|---|---|
| Length | ~7 in (18 cm) slim |
| Materials | BPA-free, food-grade |
| Draw effort | Low-resistance, easy |
| Shelf life | Indefinite when dry |
| Power | None required |
| In the box | Filter, pre-filter sleeve, syringe, pouch, QR card |
✓ Removes
- Dirt, sediment & cloudiness
- Grit, silt & suspended debris
- Microplastics & sediment
- Chlorine, bad taste & odor
✗ Does not remove
- Salt water
- Dissolved chemicals & heavy metals
- Salt (desalination)
Filtration Technology +
Pre-Filter Sleeve external · anti-clog
Catches mud, sand and grit before they reach the membrane — so it won't clog on the first dirty cup.
Hollow-Fiber Membrane 0.1 micron
Millions of microscopic fibers physically block the fine stuff you can and can’t see. No power, no chemicals.
Freshness Mineral Stage stays fresh
Keep the cartridge fresh between uses, even when it sits damp in your pack.
Activated Carbon taste & odor
Strips chlorine, odor and plastic aftertaste — so the water tastes like water.
Medical-Grade PP Cotton final polish
A final layer traps rust, fine sediment and insect eggs before the last drop.
5-stage Clarity Core System
Stop Trusting Clear. Start Trusting Proof.
Cheap straws clog on the first dirty cup and fight you for every sip. The 5-stage Clarity Core System flows easy, tastes clean, and strips out dirt, sediment and cloudiness.
- Won't clog day one — a pre-filter sleeve traps mud & grit first
- Easy draw — flows like a normal straw, no hard sucking
- 0.1-micron membrane — blocks bacteria & protozoa
- Clean taste — activated carbon strips plastic & odor
- 5-stage protection — blocks rust, sediment & insect eggs too
- Free lifetime replacement — clogs or breaks? We swap it.
This is complete protection
Why budget filters fail — and Clarity Core doesn't.
We analyzed 95 reviews of the top-selling budget straw. 22 people said it clogged completely. 20 said it was impossible to draw. Here's what we engineered differently.
The Pre-Filter Stage Everyone Skips
Mud and grit hit a bare membrane and seal it shut like a screen door. Our pre-filter sleeve catches debris first — so the membrane only does its real job.
Easy Draw, Not a Workout
21% of budget-filter reviews mention impossible suction. The Clarity Core flows like a normal straw — fast hydration even for kids and tired hikers.
Water That Tastes Like Water
An activated-carbon stage strips the chlorine, plastic taste and odor other straws leave behind. No more "tastes like a swimming pool."
Proof You Can Check Yourself
An uncut, single-shot demo — dirty water in, clear water out, no jump cuts. Published online so you can judge it yourself.
Every stage, shown. Nothing hidden.
Here's exactly what's inside the Clarity Core System and what ships in every kit.
Clarity Core vs the filter in your bag.
The 5 Stages
Behind Every Clean Sip.
Each stage does one job, and we publish the proof. No fake demos. No ghost labs.
Stage 1 Pre-Filter Sleeve · coarse sediment screen +
The stage every other straw leaves out. Raw water hits this outer sleeve first, where mud, sand and silt get trapped before they can reach — and blind — the delicate membrane. This is the single reason Clarity Core doesn't clog on the first dirty cup.
- Catches debris before it reaches the membrane
- Extends filter life up to 5x
- Rinses clean in seconds, in the field
- Built for muddy, debris-heavy water
Stage 2 Hollow Fiber Membrane · ultrafiltration +
Millions of microscopic hollow fibers physically block the fine particles that make water look and taste wrong — while letting water flow with low resistance. No chemicals, no waiting, no power.
- Blocks bacteria & protozoa
- Removes grit, silt & suspended debris
- Low-resistance, easy draw
- No batteries or power required
Stage 3 Freshness Mineral Stage · stays fresh +
After the membrane blocks the fine particles, a bed of mineral balls polishes what is left and keeps the cartridge fresh inside — so the filter stays cleaner between uses, even when it sits damp in your pack.
- Keeps the inside of the filter fresh
- Adsorbs what the membrane leaves behind
- Keeps the cartridge cleaner between uses
- Works passively — no power, nothing added to your water
Stage 4 Activated Carbon · taste & odor +
A final carbon stage adsorbs chlorine, odors and the plastic aftertaste that ruins cheaper filters. The result is water that tastes like water — the benefit no competitor talks about.
- Removes chlorine & bad odor
- Eliminates plastic / chemical taste
- Improves the taste of any source water
- The unclaimed edge in this category
Stage 5 Medical-Grade PP Cotton · final polish +
The last layer before your lips. A dense medical-grade polypropylene wrap traps fine sediment, rust and iron particles, and insect eggs that slip past the coarser stages — polishing the water on its way out.
- Traps fine sediment, rust & iron particles
- Catches insect eggs and fine debris
- Final polish before the water reaches you
- Protects clarity and clean taste
Full transparency: the 0.1-micron hollow-fiber membrane removes dirt, sediment and cloudiness and blocks bacteria and protozoa from fresh water. It does not remove viruses, and it is not a desalinator — it will not strip dissolved chemicals or heavy metals. Fresh water only. We tell you this because you should know exactly what you are buying.
Drink with confidence, or your money back in 90 days.
Use it for 90 days. If it clogs, breaks, or you simply change your mind, we replace it or refund you — your choice. No phone calls. No "tell us why" forms. And every filter is covered by a free lifetime replacement against clogs and defects.
Order Mine NowWhat real customers are saying.
These are amazing, easy to use, durable and great quality. Very lightweight, filter speed is great and safe. Great for camping, hiking, or just to have on hand for emergencies.
Does exactly what it says. Water comes out clean and fresh, and setup was simple. Only wish the pouch was a bit bigger, but overall a great little filter for camping and travel. Happy with my purchase.
Bought it for my emergency kit and I'm really impressed. Easy to use, no hard sucking like the cheap ones, and the flow is fast. Feels solid and well-made. Great peace of mind to have at home. Highly recommend!
Took this on a 3-day hiking trip and it worked perfectly. Filtered straight from a river and the water tasted totally clean — no weird aftertaste. Lightweight and fits easily in my backpack. Would buy again!
Really happy with this filter! The water comes out clean and tastes fresh, and it's super easy to use. Great quality — perfect for hiking, travel and emergencies. Highly recommend! 💧
Everything you need to know.
Will I still need to boil the water?+
How do I know the demo isn't fake?+
Is it hard to draw water through?+
Does it work on salt water or chemicals?+
What happens if it clogs or breaks?+
Stop trusting clear. Start trusting proof.
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