‎4.25"L x 10"W x 3"H

Make sure this fits by entering your model number.
0.1 micron water filter removes harmful organisms like bacteria 99.9999% and protozoa like Giardia & Cryptosporidium 99.9%, surpassing EPA standards
Collapsible 1.0L hydrapak soft bottle flask packs down small to fit in tight spaces (jacket pockets, purses, backpack, fly vests)