Compatible to RS-12 SD RS 5 Whole House Replacement Under Sink Water Filter RS12 5 Pack (Package of 5 filters) RS12 SD Sediment Water Filter Replacement for RS 3 DS This filter is for use with the following systems U25, WH15, U30, OB1, OB5, WH5, R12, and WH12. This RS 12 SD filter is a replacement for filter types RS3-SS, RS3, RS3-DS, RS3-DS12-01, RS3-DS12-02, RS3-DS12-06, RS3DS. Compatible to RS-12 SD RS 5 Whole House Replacement Under Sink Water Filter RS12 5 Pack (Package of 5 filters) RS12 SD Sediment Water Filter Replacement for RS 3 DS This filter is for use with the following systems U25, WH15, U30, OB1, OB5, WH5, R12, and WH12. This RS 12 SD filter is a replacement for filter types RS3-SS, RS3, RS3-DS, RS3-DS12-01, RS3-DS12-02, RS3-DS12-06, RS3DS. 20 Micron Rating Reduces dirt, Rust and sediment in drinking water. String wound polypropylene is bacteriostatic and chemically resistant Flow Rate of 10 Gallons per minute Helps you maintain or significantly improve the quality of your water Filter Life 15,000 Gallons or 3 Months **Please note this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only