Check the listing for details. Waterdrop C3 Under Sink Carbon Water Filter, Replacement for TST-UF, 1 Pack. Condition: New. Listed at 27.99 USD. Product DescriptionUltra-long Life Reduces Replacement FrequencyThe under counter water filter is equipped with a housing, allowing you contribute to saving the environment. The 12-24 months lifespan means there is no need for frequent replacements. You are saving time, money, and efforts.Convenient ReplacementThe housing design allows you to quickly replace the inner filter by just unscrewing the external housing and changing the internal filter.1.59 GPM Large Water FlowThe flow rate can get as high as 1.59 GPM, which means you can fill a 8oz cup of water in 2.3 seconds. Water flow remains stable even at high speed.WD-C3WD-P1WD-U2WD-TST-UFRecommended replacement cycle12-24 months6-8 months12 monthsPP- 6-8, UF- 12, CT-12-24MthsReductiontaste and odor of the waterlarge particle filtercontaminant larger than 0.01μmbaçtёria larger than 0.01μmCompatible modelWD-TST-UFWD-TST-UFWD-TST-UF--Reduce TDSXXXXDimensions (inch)10.47 x 2.99 x 2.95 inches10.47 x 3.07 x 2.95 inches10.51 x 3.03 x 2.91 inches14.49 x 4.92 x 12.99 inches 16.8"