The ETESIA 30409 is a genuine OEM drive belt, precisely engineered for optimal performance and durability in ETESIA Hydro 100, Hydro 124D, and Hydro 144D series professional mowers. With a confirmed length of 1930 mm, this high-quality belt ensures reliable power transmission for efficient operation and extended service life across compatible models including Hydro 100 Evolution, Hydro 100 II, Hydro 100 III, Hydro 100 S, Hydro 100 III E-Connect, and Hydro 100 III E-Connect H.