PUR Chrome Horizontal Faucet Mount Water Filter with 1 Basic Filter offers maximum contaminant reduction. It is certified to reduce over 70 contaminants, including 99% of lead, 92% of agricultural pesticide, and 96% of mercury. The clean sensor monitor and more visible electronic filter change light enhance filter compliance, while the leak-proof connector and improved grip ensure easy installation and maintenance. 1 filter provides up to 100 gallons or 2 to 3 months of clean water. For replacement cartridges, use TV #'s 219-292, 214-903, 383-896, 584-393, and 744-110.