Profile: L & L Sales and Service Inc. specializes in offering dairy farm products. Our products include cow mattresses, ventilation systems, farm equipments and sprinkler systems. Ventilation equipments include stirring fans and tunnel or exhaust fans. Cool Sense™ motion cooling system controls the amount of water used by adjusting the shower time and minimizes the wasted water. It adapts to various lane widths and barn configurations. There are two types of showers on a cool sense system, unidirectional shower and bidirectional showering. Unidirectional showering consists of one manifold that disperses water in one direction, while bidirectional showering has two manifolds that disperses water in opposite directions.