Drink Clean, Safe Water Anywhere With the FiltSipy Survival Water Purifier Straw
Never worry about water safety outdoors. FiltSipy uses advanced 0.01μm hollow fibre ultrafiltration to instantly turn rivers, lakes, and streams into fresh drinking water. Lightweight, compact, and reusable up to 5,000 litres for total peace of mind.
- 0.01μm Ultrafiltration Membrane System
- Filters Up to 5,000 Litres of Fresh Water
- Fits Standard 28mm Water Bottles
- Compact, Lightweight & BPA-Free
AS SEEN ON
Pure Hydration on Every Trail: Why Outdoor Explorers Rely on FiltSipy Purifiers
0.01μm Precision Ultrafiltration Guard
The advanced hollow fibre membrane blocks harmful micro-contaminants, sediment, chlorine, and heavy metals from raw outdoor water sources, ensuring crisp, purified drinking water every single time.
Massive 5,000L Long-Life Capacity
Engineered for unmatched durability, one single FiltSipy filter purifies up to 5,000 litres of natural freshwater, providing dependable survival hydration for years of outdoor adventures.
Universal 28mm Screw Compatibility
Equipped with dual threaded ends to connect seamlessly to standard soda bottles, squeeze pouches, or gravity bags, letting you drink straight from streams or filter into containers.
Trusted by over 35,000 hikers, wild campers, and survivalists
"FiltSipy is an indispensable piece of gear for wilderness navigation. Its 0.01μm membrane delivers exceptional filtration reliability, removing dangerous contaminants without requiring cumbersome equipment."
Dr. James Wright, Research Specialist
THE FILTSIPY ADVANTAGE
Engineered for Extreme Reliability in Harsh Outdoor Treks
Essential Survival Gear for Every Backpacker
0.01 Micron Filtration
Hollow fibre technology removes micro-plastics, silt, and heavy metals instantly so you can drink directly from streams with total confidence.
5,000L Purifying Lifespan
One compact filter replaces thousands of single-use plastic bottles, offering years of reliable hydration across countless expeditions.
Pocket-Sized Form
At just 13.5cm long and featherlight, it slips effortlessly into any pocket, rucksack pocket, or emergency survival pack.
Dual 28mm Screw Threads
Screws straight onto standard drinks bottles and hydration pouches for flexible, squeeze-to-drink or gravity filtering on the trail.
100% Food-Grade & BPA Free
Manufactured from certified durable, toxin-free materials built to withstand drops, harsh weather, and rugged outdoor use.
Zero Waiting or Batteries
No chemicals, power cords, or replacement cartridges required. Simply insert the straw into fresh water and sip clean water instantly.
PROVEN IN WILD
What's Included in Your Pack
2x FiltSipy Survival Water Purifier UK
Carrying Clip
Lanyard Cord
User Manual
Storage Bag
Sealing Cap
100% Satisfaction Guarantee
Try FiltSipy risk-free for 30 days. If you are not completely satisfied with its filtration performance and convenience, simply contact our UK support team for a prompt refund.
Frequently Asked Questions
Everything about FiltSipy
VERIFIED REVIEWS
What British Hikers Say About FiltSipy
Mark Davies, UK
"Tested this along the West Highland Way and drank straight from mountain burns. Water tasted crystal clear and fresh. Lightweight and fits easily into my hip pocket."
Verified Buyer
Claire Robinson
"A must-have for wild camping in the Lake District. Screws perfectly onto standard plastic bottles so we didn't have to carry litres of heavy water all day."
Verified Buyer
Gareth Thomas
"Top quality build and super fast flow rate. Keeps my pack light on long trekking trips, and knowing I have 5,000L of clean water right in my pocket gives huge peace of mind."
Verified Buyer