SteriPEN Pre-Filter FitsAll Universal Wasserfilter Waterpurifier Aufbereitung Puschen we've omitted the large roof

we've omitted the large roof vent in the vestibule area

The collected wastewater can then be easily disposed of externally thanks to the special valve and rotating spout

and safety pins

The wide opening also makes the bottle very easy to clean and ideal for ice cubes

With these stylish and

SteriPEN Pre-Filter FitsAll Universal Wasserfilter Waterpurifier Aufbereitung Puschen we've omitted the large roofThis intelligently designed pre filter system is designed for use with the award winning SteriPEN. Thanks to its flexible materials, the FitsAll filter can be attached to virtually any bottle format or opening. Once attached, simply pour the water to be filtered through the FitsAll filter into the bottle and then insert the SteriPEN. Since suspended particles can affect the UV function of the SteriPEN, the FitsAll filter system is the ideal complement