The Whirlpool WHAROS5 Reverse Osmosis Water Filtration System (Lowe's #790063) provides clean, great-tasting drinking water by reducing contaminants including lead, cysts, chlorine, and more. Unit measures 14.5" x 11.5" x 13" and is designed for under-sink installation. Includes the complete water filtration system in like-new condition in original box with no reported damage or missing components. A cost-effective solution for cleaner home drinking water.