FiltSipy Water Filter Straw
- Filters up to 5,000 Litres per unit
- 0.01μm Fine Mechanical Filtration
- Standard 28mm Bottle & Squeeze Thread
- BPA-Free Food-Grade Housing (Blue)
Free International Shipping
Free Returns Within 30 days
Meet FiltSipy — Your Reliable Water Lifeline
A compact outdoor filtration straw that turns natural freshwater into fast drinking water. Highly versatile, lightweight, and built for lasting resilience.
Without FiltSipy
- Carrying heavy, bulky water bottles across long treks
- Waiting half an hour for foul-tasting chemical tablets
- Stressing over running out of clean drinking water
- Relying on fragile battery-powered purification gear
With FiltSipy
- Drink directly from freshwater streams or standard bottles
- Instant 0.01μm hollow fibre membrane mechanical filtration
- Filters up to 5,000 litres — zero chemicals or batteries
- Ultra-compact 13.5 × 3 cm body slips straight into your pocket
Pore Size
0.01μm Membrane
Capacity
Up to 5,000 Litres
Dimensions
13.5 × 3 cm Pocket Size
Thread Fit
Standard 28mm
Engineered for Peak Performance
Every element of the FiltSipy is crafted to keep you reliably hydrated during outdoor hikes, camping trips, and emergency situations.
0.01μm Hollow Fibre Membrane
Advanced hollow fibre technology offers fine mechanical filtration to trap physical sediment, micro-particles, and debris without requiring any harmful chemical additives or waiting time.
5,000L
Rated Filtration
28mm
Thread Connection
Standard 28mm Dual-Thread Design
Versatility at its best. Screw the FiltSipy directly onto standard 28mm water bottles, connect to flexible squeeze bags, or attach to compatible hydration bladders.
Pocket-Sized 13.5 × 3 cm Design
Weighing mere grams, this compact water straw fits effortlessly into your jacket pocket, rucksack side pouch, glove compartment, or home emergency survival kit.
Adventure-Ready Build
Rugged, lightweight, and tough
13.5cm
Total Length
100%
Off-Grid Ready
No Batteries or Electricity Required
Enjoy complete independence from the power grid. Simply submerge the tip into freshwater or screw onto a bottle and sip instantly with effortless suction.
Hydrate in 3 Simple Steps
No complicated assemblies or delicate parts. Simple, rugged, and ready in seconds.
Connect or Submerge
Place the straw tip directly into a freshwater stream or screw it tightly onto any standard 28mm threaded bottle.
Sip Directly
Draw water smoothly through the mouthpiece. The 0.01μm hollow fibre membrane filters automatically as you drink.
Blow Back & Store
Gently blow air back through the mouthpiece to clear residue, cap the ends, and pop it back in your pack.
Explore FiltSipy Up Close
Compact, reliable, and food-grade safe. Discover the smart design behind your essential outdoor hydration companion.
FiltSipy Water Filter Straw
0.01μm Hollow Fibre Membrane (2-Pack)
- Filters up to 5,000 Litres per unit
- 0.01μm Fine Mechanical Filtration
- Standard 28mm Bottle & Squeeze Thread
- BPA-Free Food-Grade Housing (Blue)
FiltSipy vs. Standard Options
See why hikers, wild campers, and travellers across the UK rely on FiltSipy for on-the-go hydration.
| Feature |
|
|
|
|---|---|---|---|
| Instant Filtration | Limited by weight | ||
| Filter Lifespan | Up to 5,000L | Single use packs | Single bottle only |
| Chemical & Odour Free | |||
| 28mm Bottle Compatibility | |||
| Ultra-Lightweight & Pocketable | Bulky & Heavy (1kg/L) | ||
| Operational Cost | High Value (2 PCS) | ||
| Requires No Power / Batteries |
The Clear Winner
FiltSipy gives you dependable outdoor filtration without weight, chemicals, or hassle.
Trusted by 15,000+ UK Hikers & Campers
Genuine feedback from fell walkers, campers, and travel enthusiasts across the United Kingdom.
"Took the FiltSipy on a 4-day trek across the Lake District. Screwed perfectly onto standard water bottles and gave fast, fresh-tasting water from becks and tarns without lugging heavy weight."
Oliver W.
Manchester, UK
"The Buy 1 Get 1 Free deal made this an absolute bargain. Kept one in my hiking rucksack and the other in the boot of the car for emergencies. Incredibly compact and robust."
Emma T.
Edinburgh, UK
"Brilliant piece of kit for wild camping in the Scottish Highlands. No chemical taste like chlorine tablets, instant flow, and fits neatly into my side pocket. Highly recommended."
James H.
Bristol, UK
By The Numbers
Proven Quality & Reliability
15K+
UK Trails Explored
4.9/5
Average Rating
5,000L
Filtration Capacity
<1%
Return Rate
30
Days
30-Day Money-Back Guarantee
We are confident you will appreciate the performance of the FiltSipy. If you are not completely satisfied with your purchase within 30 days, simply get in touch with our UK support team for a full refund.
Frequently Asked Questions
Everything you need to know about the FiltSipy Water Filter Straw before placing your order.
FiltSipy utilizes a 0.01μm hollow fibre membrane that provides fine mechanical filtration. As you draw water through the straw or squeeze it from a bottle, physical sediment, particles, and cloudiness are filtered out without chemicals or waiting time.
Never Be Caught Without Clean Water.
Order Today.
Secure your FiltSipy Buy 1 Get 1 Free bundle for just £34.00 (regular price £68.00). Enjoy peace of mind on every adventure.
Claim Buy 1 Get 1 Free — £34.00