The ETESIA 15815 is a genuine OEM air filter designed for ETESIA Hydro series ride-on mowers. This essential component ensures clean air intake, protecting the engine from dust and debris, and maintaining optimal performance and longevity. With a height of 130 mm, an outer diameter of 80 mm, and an inner diameter of 40 mm, it provides a precise fit and reliable filtration for various ETESIA models including Hydro 80, Hydro 100, Hydro 124, Hydro 144, and their Evolution, D, III, and MKHP variants.