GravityWorks 4L Water Filter
Effective against protozoaYes
Effective against bacteriaYes
Effective against particulateYes
Effective against chemicals/toxinsNo
Effective against virusesNo
Weight11.5 oz / 326 g
Width3.25 in / 8 cm
Length9.5 in / 24 cm
Filter mediaHollow Fiber
Filter pore size0.2 microns
Flow (L/min)1.75 liters per min
Cartridge life1500 liters
Field cleanableYes
Water Bottle AdapterNo
Cartridge replacement indicatorNo
Country of OriginMade in USA of US and imported parts