RWFDISP & RWFIC Water Filter Replacement, Compatible with Viking Built-In FBI, FRI, FFI, Dispenser Models VCSB, VISB, DDSB, DFSB (2 Pack) About this item * This filter is for use with the Built-In FDREIC, FDFZIC, and FDBMIC Models, and Dispenser Models VCSB423D, VCSB483D, VCSB542D, VCSB548D. VISB483D, VISB423D, VISB542D, VISB548D. DDSB483D, DDSB423D. DFSB423D, DFSB483D. * It is NSF 42 & 372 compliant for materials and structural integrity requirements, providing you all-round protection from harmful impurities. * The 0.5 micron filter is highly effective in reducing 99% of chlorine, eliminating tastes and odors, removing particles and turbidity, as well as other major impurities. * Designed to last for 6 months or 300 gallons, shipped with complimentary month install stickers that help track the service life of the filter. * Easy Replacement without tools (no assembly required). You will be done in minutes and get the same fit as the original.