can't go wrong with this filter...
This filter is great! Ive tried branching out to other brands and have had issues and seem to always come back to the Katadyn (PUR) Hiker. I am most impressed by its flow/pump speed and ease of use; I think the fastest pumping water filter I have ever used. It does get harder to pump when filter is dirty But I found that rubber banding a coffee filter to the end going into the water will make your filter last longer- and takes a good amount of sediments out. ***I wished they made a lighter weight and compact version of this filter so that I can pack it for day hikes.