The Aqua Crest Refrigerator Water Filter Replacement AQF-FF03 is a blue water filter designed for use with LG refrigerators, specifically compatible with the LT600P model. Made of plastic, this filter utilizes carbon/charcoal filtration to remove chlorine taste and odor, ensuring clean and refreshing water for your convenience. With one filter included in the pack, this Aqua Crest product provides a reliable and efficient solution for maintaining your refrigerator's water purification system.