LeFH 16 is a German Artillery unit added in Back to Hell.
10.5 cm leichte Feld Haubitze 16 was developed during the later half of the World War I. This howitzer became the standard howitzer for the German Military unitil 1937 in which it was replaced by the LeFH 18 but remained in use.
In real life, 352. Infanterie's Artillerie-Regiment 352's 1 to III Abteilung were equipped with three batteries of 4 Le FH 16.