Brita Drinking Water Carbon Block Under Sink Replacement Filter Set USFS-1272 Brita Carbon Block Replacement Drop In Drinking Water Filter Set USFS 1272 (Includes one USF101 filter and one USF103 filter) Replacement for FXSV10R GE Dual Stage Filter System 6 Month Filter Life Model USFS-1272 (Includes one USF-101 and one USF-103) This universal 10 in. cartridge set is designed to fit Brita Universal Drinking Water Systems and other standard-size water filter systems. Provides long lasting protection for your household.