Premium Air Filter: Soft gasket, better seal. Larger filter area, higher air intake. Less rubber flash, better and higher gas mileage.Generic Model Air Filter: For 17211-zl8-023 17211-z8b-901 push lawn mower, part gc160 gcv160 gc190 gcv190 gx100 gc135 gcv135 small engine, hrr216 hrt216 hrt217 hrx217 series .Wide Use Parts: For and Stratton 491588s 491588 399959, , , , push/ behind lawn mower / tractor air filter.Durability Air Filter: Sturdy metal stiffener screen design, hold shape better. Exact size, fit like a glove. especially against heavy dust and grass without anxious. Individually sealed, easy , comfortable throughout the whole .Size: 5-1/4 inch Length, 4-1/2 inch Width, 3/4 inch HeightIndividually Well-packed and Premium Replacement Air Filter, Also Compatiable for:for 17211-zl8-000 17211-ze8-000 17211-zl8-003 lawnmower air filter.for generator, pressure washer, water pump, tiller, cultivator motor air cleaner.for engine:gxv57,gcv135a, gcv190a, gcv190la, gs190, gsv190a, gsv190lagcv160a, gcv160a0, gcv160la, gcv160la0, gcv160lehrs216 hrb216 hrz216 hrx217vka series motor 2838, fits 3 and 5 horizontal engines 130200 series, starting at type 2915, 102-713, 7-08383.colour:Black + greenMaterial:Plastic + filter paperPackage Contents:5 * air filtersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.