Air Filter Combo for Subaru Robin EX27 Replaces 279-32607-07, Stens 100-858 Replaces the following Brands OEM: Robin 279-32607-07 , Wacker 0156753 , Stens 100-858 Fits the following Brands Models: Robin EX27 Fits 9HP Engines. Pre-filter included. Length: 5 3/4" , Width: 3 5/16" , Height: 2 3/4"