The Waterdrop WDP-DA29-00020B is a certified replacement filter for various Samsung and other compatible refrigerator models. It is designed to effectively reduce contaminants, improve water taste and clarity, and provide clean, filtered water for drinking, cooking, and other household uses. The filter is easy to install and can be replaced every 6 months or 300 gallons of water usage, whichever comes first. With its NSF certifications, it ensures compliance with strict standards for material safety and performance, giving you peace of mind about the quality of your drinking water.