The Hydro-Photon SP-PF pre-filter can be used in the following applications:
The Hydro-Photon SteriPEN SP-PF Wide Bottle Pre-Filter is designed to remove large particulate matter and debris from your drinking water prior to purification treatment. This SteriPEN prefilter fits Nalgene and wide mouth water bottles. This SteriPEN bottle filter is specifically designed for use with the tapered end.
Hydro-Photon SteriPEN SP-PF Wide Bottle Pre-Filter specifications: