






Gravity Water Filter System 3L
Description
You can have clean, accessible water in the backcountry with easily the Gravity Water Filter System 3L. Its optimised cartridge removes sand and silt without clogging, providing a high flow rate. Made with durable materials, the water storage bag can withstand tough usage. A lightweight and compact option, gravity filters have quickly become the go-to style water filter for when you have to rely on a filter for all your water.
Use it as a convenient storage system while on-the-go, or simply as a straw filter on its own or with a standard water bottle. With an enhanced microfilter performance and re-engineered membrane, this filter offers better performance against sand and silt, ensuring great flow over the long term.
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LifeStraw Gravity Water Filter System Features
- Protects against bacteria, parasites, microplastics, silt, sand, and cloudiness
- Extreme durability: premium materials make it tougher so you’ll never have to buy another
- Highly versatile means the gravity system is designed with every occasion in mind. Use as a gravity system, large squeeze bottle, as a straw, or use the filter with a water bottle
- Designed to be fully leak-proof to use as storage while moving about. Take it hiking, camping, or hang it from the RV
- Membrane microfilter lasts up to 2,000 L (500 gallons)
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Specifications
| Dimensions: | 8.6 x 20.8 in | 22 x 52.9 cm |
| Weight: | 8.1oz | 228 g |
| Hose Length: | 47 in | 1.2 m |
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LifeStraw Peaks Series Membrane Microfilter Protects Against:
- 99.999999% of bacteria
- 99.999% of parasites
- 99.999% of microplastics, silt, sand, and cloudiness
- Pore Size: 0.2 micron
- Membrane Microfilter lasts up to 2,000 L | 500 gallons – water will stop flowing through once the filter has reached the end of its lifetime
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Additional Filtration Specifications:
- Meets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasites
- BPA Free, FDA approved, premium materials Â
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Includes:
LifeStraw Peak Series 3L gravity bag with hose and standard quick connector, carabiner, leak-proof cap for water storage, easy carry strap, backwash accessory, user manual Â
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
You can have clean, accessible water in the backcountry with easily the Gravity Water Filter System 3L. Its optimised cartridge removes sand and silt without clogging, providing a high flow rate. Made with durable materials, the water storage bag can withstand tough usage. A lightweight and compact option, gravity filters have quickly become the go-to style water filter for when you have to rely on a filter for all your water.
Use it as a convenient storage system while on-the-go, or simply as a straw filter on its own or with a standard water bottle. With an enhanced microfilter performance and re-engineered membrane, this filter offers better performance against sand and silt, ensuring great flow over the long term.
Â
LifeStraw Gravity Water Filter System Features
- Protects against bacteria, parasites, microplastics, silt, sand, and cloudiness
- Extreme durability: premium materials make it tougher so you’ll never have to buy another
- Highly versatile means the gravity system is designed with every occasion in mind. Use as a gravity system, large squeeze bottle, as a straw, or use the filter with a water bottle
- Designed to be fully leak-proof to use as storage while moving about. Take it hiking, camping, or hang it from the RV
- Membrane microfilter lasts up to 2,000 L (500 gallons)
Â
Â
Specifications
| Dimensions: | 8.6 x 20.8 in | 22 x 52.9 cm |
| Weight: | 8.1oz | 228 g |
| Hose Length: | 47 in | 1.2 m |
Â
LifeStraw Peaks Series Membrane Microfilter Protects Against:
- 99.999999% of bacteria
- 99.999% of parasites
- 99.999% of microplastics, silt, sand, and cloudiness
- Pore Size: 0.2 micron
- Membrane Microfilter lasts up to 2,000 L | 500 gallons – water will stop flowing through once the filter has reached the end of its lifetime
Â
Additional Filtration Specifications:
- Meets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasites
- BPA Free, FDA approved, premium materials Â
Â
Includes:
LifeStraw Peak Series 3L gravity bag with hose and standard quick connector, carabiner, leak-proof cap for water storage, easy carry strap, backwash accessory, user manual Â






















