I am preparing for a 2015 thru and looking into filters now. It seems that the sawyer mini receives lots of good feedback here but I feel like it's too good to be true for $20. What's the catch? Does it not last long or something? What does it not have that more expensive models do? I will not be drinking out of throw away water bottles so will most likely be using nalgenes so I want a pump, so I'd be using that feature of the sawyer. Other filters I've looked into are the Katadyn Hiker Pro based on this forum and MSR Hyperflow Microfilter because I've used it a couple times before and liked it. Though some have said the MSR freezes easily and is a hassle to clean.

What do yall have to say? Thank you.