The Promodis 245314 foam marker is a genuine accessory designed for agricultural sprayers. This system facilitates precise application by creating visible foam lines, helping operators to accurately track their passes and prevent costly overlaps or missed areas. It typically operates on a 12V electrical system and includes a 10-liter tank for foam solution, along with a foam generator and necessary connections for installation. This foam marker is an essential tool for optimizing spraying efficiency and reducing chemical waste in various agricultural applications.