Outdoor Water Filter Straw 
Model: HWF-310B

Use precise pre-filtration system to remove sediments in water and
particular contaminants such as rust therefore making water cleaner.
Special sterilization medium in which High poly iodine resin to kill bacteria
and virus in the water thoroughly and effectively with sterilization  rate
of above 99.99%.
It can prevent amoebic dysentery and the related intestinal disease
effectively, this allow you to drink water securely, healthily, and safely.
Special activated carbon can effectively reduce water of bad taste and
toxic substances, for example chlorine, Trihalogenated Methane, organic
chemistry property and harmful substances.
It makes water taste better.
Service Life:700L