[YT]http://www.youtube.com/watch?v=iBNtu4zQg1w[/YT]

Platypus Gravityworks Filter

Effective against protozoa Yes
Effective against bacteria Yes
Effective against viruses No
Effective against particulate Yes
Effective against chemicals/toxins No
Weight 10.75 oz / 304.75 g
Width 3 in / 8 cm
Length 9.5 in / 24 cm
Filter media Hollow Fiber
Filter pore size .2 microns
Flow (L/min) 1.75 liters per min
Cartridge life 1501 liters
Field cleanable Yes
Water Bottle Adapter No
Cartridge replacement indicator No
Country of Origin Made in USA of US and imported parts