Drink Clean, Safe Water Anywhere with FiltSipy Rainwater Filtration System For Drinking Water
Transform natural rain, river, and stream sources into pure drinking water instantly. Featuring a 0.01μm hollow fibre membrane that purifies up to 5,000 litres, FiltSipy ensures you stay hydrated on every outdoor trek or emergency.
- 0.01μm Ultrafiltration Hollow Membrane
- Filters Up to 5,000 Litres of Fresh Water
- Fits Standard 28mm Water Bottles
- Ultra-Lightweight & Pocket Sized
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Engineered for Extreme Survival, Outdoor Adventures, and Everyday Preparedness
0.01μm Precision Purification
Eliminates microscopic sediment, chlorine, heavy metals, and dangerous contaminants from raw water. Sip directly from freshwater streams or rainwater collection tanks with complete peace of mind.
Massive 5,000L Extended Lifespan
Delivers years of clean drinking water without needing costly replacement filters. A single compact FiltSipy straw provides dependable hydration through countless camping expeditions and crises.
Universal 28mm Compatibility
Connects effortlessly to common plastic bottles, hydration squeeze pouches, and standard outdoor packs, giving you multiple versatile ways to filter and store clean water anywhere you roam.
Over 25,000+ British Adventurers & Preppers Trust FiltSipy Daily
"In survival situations, clean hydration is your primary lifeline. FiltSipy delivers lab-tested 0.01-micron filtration in a compact form, making it essential gear for every outdoor explorer and survival kit."
Dr Alistair Vance, Research Specialist
WHY CHOOSE FILTSIPY
The Ultimate Portable Solution for Clean Hydration Anywhere
Engineered for Reliability When It Matters
0.01μm Ultra Membrane
Advanced hollow fibre technology strips away 99.9% of micro-particles, silt, heavy metals, and unwanted organic debris immediately upon contact.
Up to 5,000L Capacity
One device purifies enough fresh water to sustain an individual through months of outdoor expeditions, bushcraft training, and survival emergencies.
Pocket-Sized Form
At just 13.5cm long, this compact survival filter straw packs neatly into rucksacks, car glove compartments, or bug-out bags.
Dual Threaded Connection
Screw standard 28mm bottles or gravity squeeze bags directly onto both ends for seamless fast-flowing filtration without messy spillages.
BPA-Free Food-Grade Build
Crafted with durable, non-toxic materials engineered to withstand rough weather, extreme drops, and rugged trail conditions.
Rapid Flow Rate Intake
Sip effortlessly straight from natural water sources with minimal suction effort, quenching your thirst immediately without delay.
FILTSIPY GEAR
WHAT'S INCLUDED IN YOUR PACK
Rainwater Filtration System For Drinking Water
Carrying Clip
Lanyard Cord
User Manual
24/7 CUSTOMER CARE
Our dedicated UK-based support team is here around the clock to help with gear questions, orders, and field advice. Enjoy complete peace of mind with our 30-day money-back guarantee.
FREQUENT QUESTIONS
Everything You Need to Know
VERIFIED REVIEWS
Trusted by Hikers Across the Nation
Oliver Wright
"Tested this along the Scottish Highlands trail. Drank straight from mountain streams and rainwater pools—crystal clear, crisp taste with zero stomach issues. Superb!"
Verified Buyer
Charlotte Davies
"Incredible peace of mind for hiking and emergency prep. Screws onto my standard water bottles perfectly. Light, easy to carry, and filters with minimal effort."
Verified Buyer
James Henderson
"The BOGOF deal made this an absolute bargain. I keep one in my bug-out bag and one in my camping kit. The flow rate is surprisingly fast for a 0.01 micron filter straw. Brilliant."
Verified Buyer