• ✅Portable & Long Life-Span - This straw filtration at only 7.1'' long and 1" in diameter fits any bottle, cup, or glass. It weighs just 2 ounces and fits in the palm of your hand, pocket, gym bag, backpacks, survival packs and purses. Both ends of Upgrade straw filter are removable for cleaning to extend Longer Lifespan ensures it provides up to 5,000 liters (1,320 gallons) of drinking water. You can take it anywhere you want conveniently;
• ✅4-Stage Filtration - Our upgrade 4-Stage Filtration system including coarse filter screen, double layer pp cotton fiber, coconut shell activated carbon and hollow fiber ultrafiltration membranes. 
• ✅Smaller Pore Size - We all know that the smaller pore size, the higher the filtering accuracy. Compared to the 0.2-micron filter straw on the market, Membrane Solutions 0.1 microns pore size filter straw maintains the optimum flow rate (500ml/min) while maintaining the filtration accuracy.

Specifications
Product Name	Personal Water Filter Straw
Brand	Membrane Solutions
Purification Capacity	5000L
Filter Stage	4-Stage
Stage 1&2	coarse filter screen, double layer pp cotton fiber
Stage 3	coconut shell activated carbon
Stage 4	hollow fiber ultrafiltration membranes
Filtration Accuracy	0.1 Micron
Flow rate	500 ml/min
Leak-Proof	YES
Portable	YES
Length	7.1 inches
Main Function	Reduces minimum 99.99999% of escherichia coli, test by SGSCSTC Standards Technical Services Co., Ltd.Ningbo Branch
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

Package Options:

1. 1x Personal Filter Straw
2. 4x Personal Filter Straw
3. 1x 3L Gravity-fed Filter Kit
4. 4x 3L Gravity-fed Filter Kits
5. 1x 3L Gravity-fed Filter Kit+4x Personal Filter Straws