Brita Fill&Go Replacement Discs 8 Pack Brita fillandgo filter discs fit the fillandgo water filter bottle from brita Each fillandgo filter disc filters water whilst you drink and lasts one week A filter disc recues chlorine and other taste impairing substances to give you great tasting water. 8 fillandgo filter discs included Developed to be used in fillandgo filter bottle for on the go refreshment.