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Instant Clean Drinking Water Anywhere with FiltSipy Emergency Water Filter Straw

Turn natural outdoor water sources into pure, safe drinking water instantly. FiltSipy removes heavy metals, sediment, and impurities using medical-grade hollow fibres—compact, reliable, and essential for hiking, travel, and unexpected emergency situations.

  • 0.01μm Ultrafiltration hollow fibre system
  • Filters up to 5,000 litres of natural water
  • Fits 28mm standard threaded bottles
  • BPA-free compact food-grade build
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Pure Hydration Everywhere: Engineered for Rugged Wilderness and Emergency Survival

Benefits 1

Advanced 0.01μm Ultrafiltration Power

Hollow fiber membrane captures micro-particles, chlorine, fluoride, heavy metals, and sediment reliably. Drink with total confidence directly from streams, lakes, rivers, or rain collectors on any outdoor trek.

Long-Lasting 5,000L Safe Supply Life

Delivers up to 5,000 litres of clean water per unit, eliminating the burden of carrying heavy bottled supplies on extended hikes. Built tough to sustain solo backpackers and families for months outdoors.

Benefits 2
Benefits 3

Universal 28mm Thread Fitting

Features double screw-threaded ports designed to screw effortlessly onto standard 28mm drinks bottles, hydration pouches, or gravity bags for smooth, versatile high-flow emergency filtration.

Trusted by over 45,000 hikers, campers, and outdoor survivalists

Rated 4.9/5 by 3,200+ Travellers

Stay Prepared for Any Adventure with FiltSipy Portable Emergency Ultrafiltration Water Straw

Lightweight, pocket-sized, and built with food-grade materials. FiltSipy purifies fresh water on demand so you never have to worry about clean hydration in the wilderness.

  • 0.01μm high-precision hollow membrane
  • Purifies 4,000 to 5,000L natural water
  • Ultra-compact 13.5 x 3cm pocket design
  • Food-grade BPA-free safe construction

£29.00

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FiltSipy provides superior filtration precision in an ultralight body. It reliably removes heavy metals and sediment from raw outdoor sources, making it an indispensable safety device for any expedition or trek.

Dr Oliver Bennett, Research Specialist

Trust expert

WHY CHOOSE FILTSIPY

The Ultimate Drinking Filter for Unpredictable Environments

Engineered for pure water wherever you roam

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0.01μm Micro-Filtration

Advanced hollow fibre membrane filters out microscopic particles, sediment, heavy metals, and chlorine to deliver fresh, pure drinking water instantly.

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Massive 5,000L Life Span

Offers months of dependable, safe drinking water across wilderness expeditions without cartridge replacements, making it ideal for remote trail survival.

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Pocket-Size Build

At only 13.5cm long, it slips seamlessly into any jacket pocket, rucksack pocket, or emergency survival pack ready for use.

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Dual 28mm Screw Connection

Easily connects directly to standard 28mm disposable water bottles, flexible squeeze pouches, or wilderness gravity water filtration systems.

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100% BPA-Free Safe Materials

Crafted from durable, premium food-grade materials to guarantee zero chemical leaching and completely clean, neutral-tasting water.

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Instant Drink Mechanism

Sip directly from freshwater streams, lakes, or rainwater puddles with zero waiting time, chemical tablets, or awkward mechanical pumps required.

FiltSipy View

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What's Included in Your Pack

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Emergency Water Filter Straw

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Carrying Clip

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Lanyard Cord

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User Manual

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24/7 Customer Support

Our dedicated team is always here to assist with usage questions, orders, and warranty claims. We ensure complete peace of mind on every single outdoor journey you embark on.

Frequently Asked

Common questions answered

How does FiltSipy filter water?

It utilizes a 0.01μm hollow fiber ultrafiltration membrane to capture sediments, chlorine, fluoride, micro-impurities, and heavy metals from natural water.

How many litres can it filter?

FiltSipy filters up to 4,000–5,000 litres depending on the clarity of the water source, giving you months of reliable outdoor or emergency drinking water.

Can I connect it to bottles?

Yes, it features double screw-threaded ports compatible with standard 28mm bottles, squeeze pouches, and various outdoor water systems.

Is the material safe?

FiltSipy is manufactured from 100% food-grade, BPA-free durable materials to ensure that your drinking water remains pure, untainted, and completely free of toxic chemicals.

Does it require batteries?

No, it functions completely without batteries, moving electrical parts, or chemicals. It relies entirely on natural physical suction or gravity water pressure.

How compact is the filter?

Measuring just 13.5cm by 3cm, it easily fits into jacket pockets, glove boxes, bug-out packs, and hiking bags effortlessly.

How do I maintain the straw?

Simply blow clean air or backwash clean water through the mouthpiece after use to clear any trapped debris, then allow it to dry completely.

Can it filter sea or salt water?

No, FiltSipy is designed for freshwater sources such as lakes, streams, rivers, and collected rainwater. It is not intended for desalination of ocean or seawater.

CUSTOMER EXPERIENCES

Loved by Hikers & Outdoor Explorers

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James Walker

Used this during a 4-day hike in the Peak District. Drank straight from streams with zero stomach trouble. Fits easily on standard bottles, highly recommend having one.

Verified Buyer

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Sarah Gallagher

Incredible flow rate and featherlight in my backpack. It gave me immense peace of mind during wild camping. The 2-pack buy 1 get 1 offer is fantastic value!

Verified Buyer

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Mark Davies

An absolute essential for any outdoor emergency kit. The build quality feels very sturdy, water tastes crisp and clean, and it weighs next to nothing in my emergency bug-out bag.

Verified Buyer

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