How much does this cost to the nearest dollar?

Compatible with Omnifilter T01-DS Omni TO1-DS Whole House Replacement Under Sink Water Filter Carbon Wrapped Cartridge Taste & Odor TO1 DS T01 DS Series C (Twin Pack) Water Filter
Compatible with Omnifilter T01-DS Omni TO1-DS Whole House Replacement Under Sink Water Filter Carbon Wrapped Cartridge Taste & Odor TO1 DS T01 DS Series C (Twin Pack) Compatible Water Filter 5 Micron Rating Reduces dirt, sediment, chlorine taste and odor Flow Rate of 5.0 Gallons per minute Helps you maintain or significantly improve the quality of your water Reduces the following contaminants, Sediment, Rust, Corrosion Chlorine Taste & Odor Filter Life 5,000 Gallons Compatible with Omnifilter

Price is $28.00
Price: $27.99