Amazon has a 3-pack of Water Tree Filters, replacement for the LG LT700P, for $19.99, normally $29.95.
Water Quality Association Gold Seal Certified NSF/ANSI 42 Certified for Quality Materials and Structural Integrity.
Made with Advanced Concentrated Carbon Technology for enhanced purity and cleaner, healthier drinking water.
Compatible with LG LT700P and Kenmore 46-9690; also fits: ADQ36006101, ADQ36006101-S, ADQ36006101S, ADQ36006102, ADQ36006102-S, ADQ36006102S, 048231783705, ADQ36006101, 9690
300 Gallon capacity (recommended to replace every 3 months), 0.5-micron rating