The Refrigerator Water Filter, Replacement for LG® LT700P®, Pack of 4 is a high-quality water filter designed for LG® refrigerators. Made with lead-free, food-grade materials and advanced activated coconut filtration method, this filter effectively removes contaminants such as heavy metals, chlorine, mercury, copper, cadmium, VOCs, and chromium. With a manufacturer warranty of 6 months and ESCP feature, this filter ensures clean and safe water for your household. The blue filter comes in a pack of 4, making it convenient to replace and maintain your refrigerator's water purification system.