Buy a LifeStraw Peak Series Straw and get a FREE Carry case Enhanced microfilter performance helps to reduce clogging from sand and silt for better flow rate Lightweight and durable, pack it anywhere for your backup hydration, emergency, or on-the-go needs Unlimited shelf life. Highly versatile: attaches to some single use standard plastic bottles with 28mm thread and to standard gravity hoses with removable threaded bottom cap Long-lasting membrane microfilter will last up to 4,000 L (1,000 gallons) of water, that’s enough drinking water for one for over 5 years
