Katadyn hiker pro water filter the katadyn hiker pro is the most widely sold microfilter in the us outdoor market for its market launch in europe we have packed the formerly gray blue filter into a trendy black body the hiker pro is small weighs a mere 310 grams and thanks to its large filter area delivers an outstanding pumping performance it reliably eliminates bacteria cysts and sediments from water the filter is very easy to clean on trips thanks to its cleanable filter protector