GraviPuru Gravity Water Filter
- Large 3.78L (1-Gallon) Durable TPU Reservoir
- Multi-Layer Core Filters Sediment, Cloudiness & Odours
- 100% Gravity-Powered — No Pumping or Power
- Controlled Flow PVC Hose with Shut-Off Clamp
Free International Shipping
Free Returns Within 30 days
Meet GraviPuru — Hands-Free Gravity Water Filtration
Fill, hang, and relax. Let gravity do the hard work while you prepare camp or attend to emergencies.
Before GraviPuru
- Tiring hand-pumping for just one glass of water
- Carrying heavy, bulky water bottles on long trails
- Fear of battery failure in electronic purifiers
- Drinking murky water with unpleasant taste and odour
With GraviPuru
- 100% hands-free gravity operation — zero pumping
- Generous 3.78L / 1-Gallon capacity for camp or home
- Multi-layer core removes sediment, cloudiness, & odours
- Ultra-light roll-down TPU reservoir fits in any pack
Capacity
3.78L (1 Gallon)
Filtration
Multi-Layer Core
Material
Durable TPU & PVC
Power
Zero Power Needed
Engineered for Extreme Reliability
Every component is built to deliver clean, refreshing water whenever you are out in nature or facing an emergency.
Gravity-Fed — Zero Pumping, Zero Batteries
Simply fill the reservoir, hang it from a tree branch, tent pole, or hook, and let natural gravity push water through the multi-layer filtration core. No sore arms, no flat batteries.
3.78L
High Capacity
100%
Physical Filtration
Multi-Layer Clean Water Technology
The internal filter core efficiently reduces sediment, turbidity, micro-particles, and unpleasant chemical odours, giving you clear, crisp water from natural UK freshwater sources.
Foldable TPU Reservoir & Wide-Mouth Fill
The heavy-duty TPU reservoir rolls down into a compact bundle when empty. Its extra-wide mouth makes scooping water from rivers, lochs, or taps quick and spill-free.
Roll-Up Compactness
Fits easily in any backpack or boot
320g
Ultralight Weight
100%
Food-Grade Safe
Controlled Flow PVC Hose & Quick Valve
Equipped with a food-grade PVC hose and shut-off clip, you have complete control over water flow to fill bottles, wash cooking pots, or dispense clean water on demand.
Clean Water in 3 Easy Steps
No technical skills or complicated fittings required. Just fill, hang, and start enjoying clean water.
Fill Reservoir
Open the wide-mouth TPU bag and scoop up to 3.78 litres directly from a lake, river, stream, or tap.
Hang & Connect
Secure the durable strap to a branch, post, or vehicle roof rack, then attach the PVC filtration hose.
Dispense & Drink
Release the flow clamp and let gravity run clean, purified water straight into your drinking flask or cookware.
Explore GraviPuru Up Close
Compact, hard-wearing, and dependable. Explore the portable filtration system trusted across the UK.
GraviPuru Gravity Water Filter
3.78L High-Capacity Portable Filtration System
- Large 3.78L (1-Gallon) Durable TPU Reservoir
- Multi-Layer Core Filters Sediment, Cloudiness & Odours
- 100% Gravity-Powered — No Pumping or Power
- Controlled Flow PVC Hose with Shut-Off Clamp
GraviPuru vs. Standard Alternatives
See how GraviPuru outperforms tedious hand pumps and bulky bottled water storage.
| Feature |
|
|
|
|---|---|---|---|
| Hands-Free Filtration | No (Pre-filled) | ||
| Reservoir Volume | 3.78 Litres | 0.5 - 1 Litre | Heavy / Fixed |
| Effort Required | |||
| Foldable & Compact | |||
| Multi-Layer Core | Single Use | ||
| Total Weight Empty | 320g | ||
| Off-Grid Reliability |
The Clear Winner
GraviPuru gives you effortless, high-volume purification without carrying heavy loads or pumping.
Trusted by 15,000+ UK Outdoor Enthusiasts
Real feedback from wild campers, hikers, and preparedness-conscious families across Britain.
"Took GraviPuru on a 4-day trek across the Scottish Highlands. Scooped water from peaty burns and it flowed out crystal clear and tasting great. No pumping required while setting up our tent!"
Oliver W.
Edinburgh, UK
"We had a severe burst water main that left our village without tap water for nearly three days. GraviPuru filtered rainwater and stream water effortlessly for our entire family. Essential kit."
Emma T.
Yorkshire, UK
"The wide mouth makes filling from shallow Lake District streams a breeze. It packs down super small in my rucksack and weighs virtually nothing. Brilliant bit of outdoor gear."
James H.
Manchester, UK
By The Numbers
Built for Peak Performance
50K+ L
Water Filtered Across UK
4.9/5
From 1,420+ Reviews
3.78L
Capacity Per Batch
<1%
Return Rate
30
Days
100% Satisfaction Guarantee
We are confident you will rely on GraviPuru for every hike and emergency. Try it risk-free for 30 days. If you are not completely satisfied, simply contact our UK support team for a full refund.
Frequently Asked Questions
Everything you need to know about your GraviPuru Gravity Water Filter.
GraviPuru harnesses natural hydrostatic pressure. When you hang the filled 3.78L reservoir higher than the collection container, the weight of the water naturally forces itself through the multi-layer core, delivering effortless hands-free filtration.
Never Be Without Clean Water.
Prepare Today.
Join thousands of UK campers, hikers, and families who enjoy peace of mind with GraviPuru at 50% off.
Claim Your 50% Discount