Platypus GravityWorks Water Filter System - High-capacity, pump-free water filtration for groups and basecamps. Filtering up to 1.75 liters a minute without any pumping, the high-capacity GravityWorks Water Filter System filter is one of the easiest and fastest ways to get filtered water in the bac...

Platypus GravityWorks Water Filter System 4.0L - High-capacity, pump-free water filtration for groups and basecamps. Filtering up to 1.75 liters a minute without any pumping, the high-capacity GravityWorks Water Filter System filter is one of the easiest and fastest ways to get filtered water in th...

Platypus Gravityworks 4 Liter Water Filter - Delivering four liters of filtered water in 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 keepi...

With its inside/outside (I/O) dual-thread design, the QuickDraw filter cartridge securely adapts to smartwater bottles, most Platy bottles and reservoirs and many common soda/water bottles allowing you to develop your ideal personalized kit. Weighing just 2.2 oz and filtering up to 3 liters per minu...

Filtering up to 1.75 liters a minute without any pumping, the high-capacity GravityWorks Water Filter System filter is one of the easiest and fastest ways to get filtered water in the backcountry. Ideal for bigger backpacking! Either model easily supplies filtered water for drinking, washing up, coo...

These replacement reservoirs make it easy to change out worn-out or damaged reservoirs or conveniently adapt the capacity of your existing GravityWorks system to meet the needs of any trip. Unique, dual-layer laminate combines a rugged exterior with a food-grade, taste-free interior. Reservoirs are ...