TOTO® soap dispensers offer automatic, touchless operation. The hands-free function dispenses soap without contact. The 3-liter (0.8-gallon) reservoir and controller set are designed to work with one spout. Compatible TOTO soap is required for proper functionality. Includes controller base unit with 3 liters (0.8 gallons) reservoir, mounting hardware, and supply lines. Compatible TOTO spout and TOTO soap are sold separately.