Premium Air Filter: Soft gasket, better seal. Larger filter area, higher air intake. Less rubber flash, breathe better and higher gas mileage. Generic Model Air Filter: For Honda 17211-zl8-023 17211-z8b-901 push lawn mower, part # gc160 gc190 gcv190 gx100 gc135 gcv135 small engine, hrr216 hrt216 hrt217 hrx217 series element. Wide Use Parts: Compatible with Briggs and Stratton 491588s 491588 399959, Husqvarna, Craftsman, Toro, Troy Bilt push/walk behind lawn mower / tractor air filter. Durability Air Filter: Sturdy metal stiffener screen design, hold shape better. Exact size, fit like a glove. 2 pack air filters, especially against heavy dust and grass without anxious. Individually sealed, easy store, comfortable throughout the whole season. What You Get: 2 pack excellent air filters, our friendly and prompt customer service. Worthwhile to choose!