An easy-to-use microfilter that cleans water instantly so you can drink directly from the source or quickly fill up your bottles. Made from advanced Hollow Fibre Technology, this clever microfilter from MSR instantly purifies water and kills bacteria for fresh and safe hydration on the go.With an easy one-handed action - simply place the spout into the water source and squeeze the nozzle - the filter provides up to a litre of water per minute and 20,000-litres over its lifetime.Ideal for trail runners, mountain bikers, hikers and anyone looking for instant thirst-quenching hydration in the outdoors, the lightweight and compact filter can be stored away easily.Instant Hydration filter - cleans water directly from the sourceQuick-Deploy - zero set-up and simple one-handed operationEasy to clean Long lifespan - treats up to 2,000LFlow rate: 1 litre per minuteDimensions: 6.1x15.25cm (2.4 x 15.25")Weight: 142g (5oz)