The check valve replacement is crucial for preventing backflow in your water filtration system. This component ensures that water flows in direction, maintaining the purity of your filtered water. Ideal for use in residential or commercial settings, the check valve is easy to install. Simply push it into place, and it will provide a secure and reliable connection, ensuring the longevity of your water system. Features -Color:White -Material:Plastic -Size:4.70X1.40X1.40cm/1.85X0.55X0.55in -Hose diameter: 1/4 in -Check valve security: the check valve mechanism ensures no backflow, safeguarding the purity and safety of your drinking water -Reverse osmosis filtration: this system uses advanced reverse osmosis to eliminate harmful substances, providing pure and safe water -Household system: ideal for home use, this water purifier is easy to install and meets the everyday drinking water requirements of your family - filters: the quick connect filter system allows for convenient and rapid filter replacements, maintaining water quality -Effective removal: efficiently filters out odors and other harmful substances, ensuring fresh and healthy drinking water Package list: 2 purifier check valves