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Drink Safe, Clean Drinking Water Anywhere On Earth With The Gravioxy Emergency Water Straw

Engineered with a medical-grade 0.01μm ultrafiltration membrane, Gravioxy eliminates 99.9999% of bacteria, harmful pathogens, and sediment from natural rivers, lakes, streams, and rainwater without requiring power, batteries, or any manual pumping.

  • 0.01μm Membrane Filters 99.9999% Bacteria
  • Gravity-Powered System Requires Zero Electricity
  • Large 10L Capacity For Easy Sharing
  • Ultra-Lightweight 500g Compact Pack
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Pure, Safe Hydration Wherever Adventure Or Unexpected Outdoor Emergencies Take You

Benefits 1

Advanced 0.01μm Ultrafiltration Shield

Removes up to 99.9999% of dangerous waterborne bacteria, microplastics, and heavy silt. Safeguard your digestive health whether drinking from remote mountain streams or harvested rainwater systems.

Gravity-Fed Flow Without Manual Effort

Simply fill the reservoir, hang it from a branch, and let gravity do the work. No tired arms from manual pumping, no dead batteries, and zero electrical hookups required during emergency situations.

Benefits 2
Benefits 3

Generous 10L Group Water Supply

Provide sufficient purified water for the entire family or expedition team. Ideal for basecamps, multi-day hiking expeditions, and critical disaster preparedness emergency survival storage.

Over 15,000+ outdoor explorers & survivalists trust Gravioxy daily

Rated 4.9/5 by Outdoor Experts

Gravioxy: The Dependable Emergency Water Straw & Gravity Purifier For Absolute Peace Of Mind

Instantly convert murky freshwater sources into crisp, safe drinking water. Essential for backpacking kits, remote travel, camping trips, and household emergency readiness.

  • Filters 99.9999% of dangerous pathogens
  • No electricity or hand pumping required
  • Massive 10-litre high-capacity reservoir
  • Weighs only 500g for easy packing

£89.00

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In survival scenarios, contaminated water is your greatest threat. Gravioxy provides instant, effortless gravity filtration that reliably eliminates pathogens without needing power, making it essential gear.

Dr. James Miller, Research Specialist

Trust expert

WHY CHOOSE GRAVIOXY

Engineered For Reliable Survival And Effortless Hydration

Built tough for rugged wilderness endurance

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0.01μm Ultra Membrane

Removes 99.9999% of bacteria, parasites, and sediment to guarantee pristine water quality from rivers, lakes, and streams on every single trek.

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Effortless Gravity Feed

No tiring hand pumps or flat batteries. Just fill the bag, suspend it, and enjoy a steady stream of clean, pure drinking water completely hands-free.

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10L High Capacity

Generates plenty of purified water for cooking, cleaning, and full hydration for families and outdoor expedition crews.

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Ultralight & Compact Pack

Weighing just 500g and folding down compactly (22×20×8cm), it slips effortlessly into hiking backpacks, bug-out bags, and vehicle boot spaces.

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Universal Freshwater Source

Safely purifies rain runoff, murky streams, still lakes, and natural springs into crystal-clear water wherever you find yourself.

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Zero Running Maintenance

Engineered for long-lasting performance without fragile electronic parts or complicated maintenance routines in harsh outdoor settings.

IN THE FIELD

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WHAT IS IN THE GRAVIOXY BOX

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Emergency Water Straw

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Ceramic Membrane Filter

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Water Outlet Hose

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Scouring Pad

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Packaging Bag

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User Manual

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24/7 Dedicated Help

Our dedicated survival gear specialists are always available to help with setup, maintenance, or hydration advice whenever you prepare for your next major outdoor adventure.

QUESTIONS & ANSWERS

Everything about Gravioxy

What is the filtration precision?

Gravioxy uses a 0.01μm ultrafiltration membrane that removes up to 99.9999% of waterborne bacteria, parasites, and fine sediment from natural freshwater.

How much water can it filter now?

The system features a 10-litre reservoir capacity, delivering sufficient clean water for families, group hikes, and emergency basecamp requirements.

Does it need power or battery?

No electricity, batteries, or manual pumping are needed. Gravioxy operates purely by natural gravity once hung above the collection cup.

How do I use Gravioxy?

Simply fill the heavy-duty reservoir bag with freshwater, hang it from a branch or hook, connect the straw tube, and let gravity filter clean water effortlessly into your flask.

What particles are removed?

It eliminates bacteria, cysts, microplastics, algae, suspended sediment, and harmful waterborne particles, keeping your drinking water clean, fresh, and safe.

Is it lightweight to travel?

Yes, it weighs only 500g and measures 22×20×8cm when folded, packing easily into emergency go-bags and hiking rucksacks.

Is it suitable for emergency?

Absolutely. Its power-free, gravity-fed design and large capacity make it a dependable life-saving tool during storms and disaster scenarios.

Which water sources can be purified?

You can safely purify water from freshwater rivers, lakes, streams, natural springs, and collected rainwater. Avoid saltwater, industrial runoff, or chemical waste.

CUSTOMER REVIEWS

Real Stories From Outdoor Explorers

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Liam Walker

Gravioxy was a lifesaver on our five-day Scottish Highlands trek. Filtering 10 litres of stream water effortlessly while setting up camp saved us hours of hard work.

Verified Buyer

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Charlotte Evans

Super compact and lightweight for my bug-out bag. The water tastes crystal clean even when drawn from murky lake water. Highly recommended for every camper.

Verified Buyer

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Oliver Smith

No pumping and no batteries make this gravity filter unmatched. Filled the bag, hung it from a tree branch, and had pure drinking water for our entire group in just a few minutes.

Verified Buyer

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