Maxion filter technology and filters over mineral core for crisp, refreshing tasteCertified to remove 99% of lead, and over 70 other contaminants including 96% of mercury and 92% of certain pesticidesClean sensor monitor - more visible electronic filter change light for enhanced filter compliance and 60% improved battery lifeNew leak proof connector & improved grip. They are not compatible with pull-out faucets.Dimensions: 6.75 x 2.875 x 5.25 inches1 filter provides up to 100 gallons (2 to 3 months) of clean water