Platypus GravityWorks 4.0L Filter System Size:6 L it's designed with professional-grade stainless

it's designed with professional-grade stainless steel and TempShield double wall insulation to keep your water refreshingly ice cold for up to 24 hours

reliable and taste-free water

slinging natural features and extending placements on wandering routes

An ultra-stable design with a unique keeled-nose design for first-timers

Rockgard tip provides protection on the blade

Platypus GravityWorks 4.0L Filter System Size:6 L it's designed with professional-grade stainlessThe reviews keep coming and one thing is clear, the GravityWorks system is changing how people filter water. Delivering four liters of filtered water is just 2. 5 minutes with no pumping, there's simply no easier or faster way to get safe water away from home. Ideal for bigger groups, the system's eight liter capacity eliminates both the worry and hassle of keeping plenty of water around for anything you need.