At home I use a Brita.
Camping I use a First Need XL, having just replaced my Pur (now Katadyn) Hiker Pro, which somehow got cracked.
On my BoB I have the guts from a Sawyer filter bottle connected to the flip-n-sip top from a Camelbak bottle in a 1L Nalgene (because the Sawyer bottle won't fit in my cup, and I like the Camelbak flip-top better than the Sawyer). I also have Aquamira 2-part chemical treatment and a 2L Platypus Big Zip bag for bulk purification.
In my EDC I just carry Micropur tablets and a bandanna.
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2010 Jeep JKU Rubicon | 35" KM2 & 4" Lift | Skids | Winch | Recovery Gear | More ...
'13 Wheeling: 8 Camping: 6 | "The trail was rated 5+ and our rigs were -1" -Evan@LIORClub