Katadyn Steripen Pre-Filter FFEFF making it incredibly easy to

making it incredibly easy to inflate in under 3 minutes

Covering the roof vents and adding structural strength plus guy out points to the frame it’s designed for heavy desert dew or fine windy nights

20% NYlon/Polyamide

Shock resistant and corrosion resistant

Katadyn Steripen Pre-Filter FFEFF making it incredibly easy toWhen in use, pour water through the durable 40 x 40 micron screen filter cartridge to fill the bottle. Then, you're ready to purify the water with a Steripen UV water purifier. Remove the filter cartridge from the Pre Filter, insert the filter into the centre of the filter, flip the bottle, and agitate the water until the Steripen indicates the treatment is complete.