LifeStraw Mission Gravity-Fed Water Purification Hydration & Filtration System

Group-Ready Purification. Trusted by Adventurers Worldwide.

The LifeStraw Mission Gravity-Fed Water Purification System is engineered for groups, families, and emergency situations where reliable, large-volume water purification is essential. Hang it up, fill it, and let gravity deliver clean, purified water for your entire camp — no pumping, no chemicals, no waiting.

Key Features

• Gravity-Fed System – Hands-free purification delivers clean water continuously without pumping or effort
• Hollow Fiber Membrane – Removes 99.9999% of bacteria, 99.9% of protozoa, and 99.999% of viruses for comprehensive protection
• High-Volume Output – Available in multiple sizes (5L, 12L) to support individuals, groups, and base camps
• No Chemicals Required – Pure mechanical filtration means no iodine, chlorine, or aftertaste
• Long Filter Life – Filters up to 18,000 liters before replacement, making it a long-term investment
• Emergency Ready – Ideal for disaster preparedness, humanitarian use, and remote expeditions

Whether you're leading a group into the backcountry or building out your emergency preparedness kit, the LifeStraw Mission delivers the peace of mind that comes with truly clean water.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.