Geertop Diercon Portable Water Purifier/Sports Filter Bottle, Applicable to Outdoor sports, Camping, Hiking and Adventure REMOVABLE FILTERS: both of two filters can be replaced. The replacement filters can be bought on Amazon. FOOD GRADE MATERIAL! Amazing Sports Filter Bottle! Multi-level and hierarchical filter technology: the original water can contact with filter fully and effectively. Top activated carbon composite filter + ultrafiltration membrane filter can filter out 99.9999% of all kinds of pathogenic bacteria, remove the heavy metal ions and organic contaminants like VOC, residual chlorine(removal rate is up to 99%), chloroform(removal rate is up to 99%) and more as well as all kinds of odors to improve the taste of water. Tested by international authorities: Pass the Germany TUV SUD test, the filtered water meets the human drinking water quality standards of EU 98 /83 / EC; Pass the German TUV SUDISO9001: 2008 quality system certification; The water quality meets the NSF / ANSI 42/53 standard; The water quality meets the clean water standards of Environment Protection Agency (EPA) Applicable water quality: lakes, rivers and other outdoor fresh water or tap water. Material: food grade PP, LDPE, ABS, silica gel With light weight and easy to be carried: 165g (0.4 lbs), Size: 78*265mm (3.07*10.43in)with multi-carrying ways. It can meet the safe drinking demand of all kinds of sports easily (cycling, running, playing basketball, badminton, tennis, rowing and camping, etc.)