Platypus Meta Water Bottle Plus Microfilter, 1-Liter Water bottle and integrated microfilter for hassle-free hydration Enjoy up to 2 liters per minute of filtered water; filter lifetime is up to 1,000 liters of water Microfilter is easy to clean with tool-free, shake-to-clean technique; quick filter integrity check can confirm proper filter performance Great drinking experience: Taste-free material ensures unwanted tastes wont ruin water freshness Leak-proof cap opens with easy half turn; fits most ice cubes Bottle can be compacted down to half its size (with filter removed), making it convenient to pack Top half of bottle is impact resistant; flexible lower half is unbreakable