MSR water filter
I bought this MSR filter back in 2008, I've taken it on several multiple month long journeys- and many day hikes and treks in between, and it still does it's job well. It's simple, as long as you follow the instructions correctly. The filter itself is ceramic, it comes with a scouring pad to clean it, and a measuring device so that you can tell when the filter needs to be changed. Be sure to let the filter dry out between uses by leaving the lid off and hanging it in it's mesh bag for a while before you pack up. I like to strap it to the outside of one of our packs, careful to make sure it isn't swinging. The pump is hard plastic, with a rubber hose that hangs down into the water. The end is capped with a large particle filter piece to keep sand and grit out. A 1liter water bottle screws on to the bottom of the filter, but it's not a necessity to make the thing work. It's hard work pumpin' that water, but considering how fast you can sip some pure cl...