The Waterdrop WD-RV Inline Water Filter is a brand new, NSF certified water purification system that comes in a pack of 2. This filter is designed to provide clean and safe water by removing chlorine taste and odor through 5 stages of filtration using Kinetic Degradation Fluxion (KDF) and Advanced Granular Activated Carbon (GAC). With a filter life of 3 months, this water filter is suitable for household use and is compatible with 3/4GHT standard water hoses. The filter is made of food-grade materials and comes with a manufacturer warranty of 3 months, making it a reliable and efficient choice for improving the taste and quality of your tap water.