Instant Clean Water Anywhere: PurxStrawi 1-Gallon Gravity Water Filtration System
Purify river and stream water effortlessly on any outdoor trek. Using advanced 0.1-micron hollow fiber filtration and food-grade TPU, PurxStrawi cleans a full gallon in 5 minutes with zero pumping required. Reliable hydration for hikers, campers, and preppers.
- Filters 1 Gallon In 5 Minutes Gravity-Fed
- 0.1-Micron Hollow Fiber Removes 99.9999%
- Tough Food-Grade TPU Reservoir
- Drink Directly or Hang for Groups
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Engineered for Extreme Wilderness Survival and Rapid Campsite Hydration
Zero Pumping Fast Gravity Flow
Simply fill the 1-gallon reservoir, hang it from a branch, and let gravity do the work. Provides fresh, pure drinking water for your entire group in just minutes without exhausting hand pumps or batteries.
0.1-Micron 4-Layer Purification
Equipped with medical-grade hollow fiber membranes and coconut shell activated carbon, it removes 99.9999% of contaminants, sediment, heavy odors, and bad tastes from backcountry streams.
Ultra-Durable Food-Grade TPU
Built with rugged, leakproof TPU that withstands high pressure and rough trails. It rolls up ultra-compact to save valuable pack space during long-distance backpacking and emergency setups.
Trusted by over 18,500 American hikers, campers, and survivalists
PurxStrawi is a game changer for remote expeditions. Its reliable gravity flow and 0.1-micron hollow fiber core ensure safe, great-tasting water from questionable sources without manual pumping effort.
Dr. Mark Jensen, Research Specialist
Why Choose PurxStrawi
The Ultimate All-in-One Gravity & Straw Water Purifier
Smarter filtration for backcountry trails.
Effortless Gravity Flow
Hang and filter 1 gallon of clear drinking water in 5 minutes flat. No tedious hand squeezing or arm-tiring pump levers required on the campsite.
99.9999% Pure Hydration
Advanced 4-stage filter traps micro-particles, bacteria, and silt while coconut carbon neutralizes harsh odors and foul stream tastes instantly.
Flexible 2-Way Use
Drink directly from natural springs using the straw or connect the gravity hose for camp cooking and water bottle refills.
Tough Food-Grade TPU Bag
Heavy-duty abrasion-resistant TPU bladder won't puncture, crack, or leak under full capacity, keeping drinking water 100% safe and taste-free.
Compact & Ultra-Lightweight
Folds down flat into the included storage pouch, weighing minimal ounces so you can trek further without unnecessary backpack bulk.
Emergency Preparedness
Essential survival gear for sudden boil-water notices, hurricane power outages, and natural disasters when municipal tap water fails.
In The Field
What Comes In Every Package
1x Gravity Water Bag
1x Water Filter Straw
1x Extension Hose with Clip
1x Carrying Strap
1x Storage Pouch
Lifetime US Support
We stand behind every PurxStrawi system with a 30-day risk-free money-back guarantee and dedicated American customer support ready to assist your outdoor survival needs.
Frequently Asked
Everything about PurxStrawi
Real Field Reviews
Trusted by Hikers Across America
David Miller
Filtered 4 gallons of murky river water on our Colorado trail with zero effort. Water tasted crisp and clean like bottled spring water. Best piece of hiking gear I own!
Verified Buyer
Sarah Jenkins
Filled the bag, hung it from a tree branch, and had pure drinking water in 5 minutes. No more hand pump fatigue on long backpacking trips. Highly recommend!
Verified Buyer
Brian Keller
Bought this for storm prepping and wilderness camping. The food-grade TPU bag is rock solid and leaks zero drops. It fits perfectly in my emergency bug-out bag. Super reliable.
Verified Buyer