The Wingsol Under Sink Alkaline Water Filter is a jumbo advanced model that offers a 5-in-1 multi-filtration system to improve the taste and quality of your water. With a maximum flow rate of 1.5 gallons per minute, this filter cartridges are made from NSF/ANSI approved materials and components, ensuring the safety and cleanliness of your water. The filter utilizes an alkaline ionization filtration method to provide healthy and great-tasting water. The compact and lightweight design makes it easy to install under your sink, providing convenient and clean drinking water for your household.