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Advanced 4-layer filtration: Gravity water filter uses advanced 4-layer filtration technology. The portable water filter improves odor, ensures the water fresh and offer you fresh drinking water while camping or in an emergency.
Multi-purpose: Besides the gravity water filter system, you can connect the portable water filter to water bottles with the red expansion interface, or add a 20cm extension tube. Even suck directly as a personal water filter. Camping water filter offer you fresh drinking water with full accessories.
3L water storage bag: high-capacity TPU water storage bag can provide water you needs while hiking, camping and emergency. And our water filter survival has a lifespan of 5,000 liters
Easy to use: Connect the extension tube and the water bag with a quick connect device.(The quick connect needs to be pressed) After filling the water, fold along the line and push the side clock to left side until the end. Then hang on the branch and use the water stop clip to control the flow rate.

Specifications
Product Name	Personal Water Filter Straw
Brand	Membrane Solutions
Purification Capacity	5000L
Filter Stage	4-Stage
Stage 1&2	Beads, Medical Grade PP Cotton
Stage 3	Activated carbon filter
Stage 4	Hollow fiber ultrafiltration membranes
Filtration Accuracy	0.1 Micron
BPA Free	YES
Leak-Proof	YES
Portable	YES
Length	7.1 inches
Fit for	river water, rain water, stream water, lake water, mountain spring water and cellar water.
Be used for	outdoor backpacking, hiking, camping, travel, hunting, fishing, scouting, emergency preparedness, etc
Function	Effectively eliminates up to 99.9999% of Escherichia coli CICC 10389. （Note: Performance data based on independent laboratory testing. Claims apply only to organisms listed.）

Membrane Solutions 4-Pack 23oz Collapsible Water Pouch for Filter Straw, Compatible with Standard Water Filter Straw; Water Bag, Foldable Water Collection Bottle

1.COLLAPSIBLE BOTTLE LIGHTWEIGHT AND SPACE SAVING - FOLDS FLAT AND ROLLS UP This 650ml foldable bottle stands up when full, folds down flat when empty and rolls up into the carabiner clip when not in use. It holds 650ml, just under 1 litre of water or a whole bottle of wine for picnics and festivals.
2. CLEAR VIEWING WINDOW and clear base so you can monitor how much water is inside the bottle. Our special plastic is TASTE FREE unlike TPU. Stay hydrated with water juice or other flat, cold drinks. It can go in the fridge or freezer and you can wash it with hot soapy water.
3. BIG 650ML COLLAPSIBLE BOTTLE - Save money.
4. AMAZING FOR TRAVEL, FESTIVALS, HIKING and CAMPING - Take it through airport security empty and flat to save space, then fill it up on the other side. LIGHTWEIGHT at only 28g, its almost half as light as a standard, empty water bottle.

Advanced Features

· Set of 23-oz Collapsible pouches are made of strong food-grade plastics, manufactured with BPA-Free ABS material, which can be folded at will, suitable for small spaces.
· Portable & Long Life-Span - This Collapsible Water Bottle Canteens.It weighs just 3 ounces and fits in the palm of your hand, pocket, gym bag, backpacks, survival packs and purses.
· Can easily be filled in any lake, stream, or river, and under a faucet; attach directly to a Water Filter Straws or squeezable Water filter for direct drinking or filtering into containers.
· Great and convenient for use when potable water is not available; use in outdoor activities, and in hiking, backpacking, camping, travel, and emergency preparedness.

Package list:

1*straw filter,
1*3L Food grade TPU water storage bag,
1*Food grade silicone tube,
1*Multipurpose adapter,
1*check valve,
2*23oz Collapsible Water Pouch for Filter Straw