The Waterdrop RV & Marine Inline Water Filter is a pack of 2 NSF certified water filters designed for both commercial and household use. With a carbon block filtration method, this water filter effectively removes impurities and contaminants to provide clean and safe drinking water. The compact size of the filter makes it easy to install in RVs, boats, and other small spaces. The white color and sleek design make it a stylish addition to any kitchen or outdoor setting.