Replace for B&S 004213, 613022, 695643, 697152, 697775, 698143, 797007, 794421 filter element. Lawn Mower Air Filter / Tractor Air Cleaner: For Ariens 21544020 Replace Original Filter. Wide Application for B&S 21A800, 21A900, 21B700, 21B800, 21B900, 210700, 212700, 212900, 214700, 215700, 215800, 215900, 216900, 217700, 217900, 218700, 218800, 219700,& 219900 engines. High Quality: Factory filter, excellent filter paper, Tested in dust and cutting grass conditions, meet OEM standards. Separate packaged, easy store. What You Get: 2pcs air filter with 2pcs foam pre filter, our friendly and prompt customer service. Replace OEM part number:B&S: 004213, 613022, 695643, 697152, 697775, 698143, 797007, 794421. Ariens 21544020 Wide Application: Fits B&S 21A800, 21A900, 21B700, 21B800, 21B900, 210700,212700, 212900, 214700, 215700, 215800, 215900, 216900, 217700, 217900, 218700, 218800, 219700,& 219900 Series Engines Package Quantity:2 You will get 2pcs air filter with 2pcs foam pre filter. High Quality Material For Our Filters. Exact Size As OEM Genuine Filter. Width: 3 1/8" Length: 7 1/4" Height: 1 1/2"