Frigidaire GRFS2853AF4 Water and Air Filter Combo KitWhat you drink and what you store share the same space, so both need attention. The Frigidaire Gallery model GRFS2853AF4 water and air filter combo kit is designed to keep that balance in check. The Frigidaire PurePour PWF 1 water filter works on chlorine taste and impurities in your drinking water, while the PureAir FRGPAAF2 air filter (AF 2 RAF 2) helps manage food odors and circulating air inside the fridge. Together, they keep both water and