I have a Hiker Pro as does my buddy. In the water we filter, they last four days before they're practically ready for the trash bin. The washable screen does nothing in our environment. My buddy also dropped his and cracked the nifty quick release inlet which, renders the pump useless...unless you hold the filter under water while pumping.

Otherwise, I really like this filter....the ease of set-up, its simplicity and light weightedness. Just doesn't work where I go. Thanks though.