Rotary Corp brand aftermarket product. Filter and Prefilter replace Fits Wisconsin/Robin Model WT1-125V, 4 HP 2-Cycle Vertical Engines on Snapper Mowers.Replaces:ROBIN/SUBARU 157-36201-01ROBIN/SUBARU EY1573620101Dimensions:ID: 2-1/4"OD: 3-1/8"HEIGHT: 2-3/8".
