The Waterdrop WD-F46 NSF Certified Water Filter is designed specifically for LG refrigerators, including models LT1000PC and ADQ747935. This filter is built-in and made of plastic, with a capacity of 200 gallons. It is NSF certified for quality assurance and is suitable for household use. The white filter is easy to install and includes everything needed for a complete replacement. The Waterdrop brand is known for its reliable performance and this filter is no exception, providing clean and safe water for your convenience.