SteriPEN Prefilter
Product no.: 000031
In stock
Description
This prefilter is screwed into a bottle with wide mouth opening (e. g. a Nalgene wide mouth bottle). Then the filter cartridge is inserted (also available as a spare part with) and the air valve opened. The pre filter eliminates now the floating particles out of the water and the water is optimally prepared for the use of the SteriPEN (not included).
Ø 9,5 x 7 cm, 70 g