Pro Performance Parts: Exactly replacement for Stratton BS-491588S BS-491588 399959 4915885 4915886 4915888 4915889 air filter, 491435 491435S 271933 pre cleaner. Fit B&S 4101 5043 5043A 5043D 5043H 5043K, 625 675 725 625-675 e/ series and 3.5-6.75 gross push lawn mower. Premium Maintenance Element: Replace small engine air filter, up to standard, exact size and . Made of quality material, soft gasket, less rubber flash, better seal. Larger filter area, 4% higher air intake than original. Mower will better, higher gas mileage, and run like a champ. Wide Use Kit: For 20332 20334 20330, GCV160 17211-ZL8-023, 3364, for PT15853 LG491588, 102-549, behind / push lawn mower air filter. Replace part number of air cleaner. Extend Life Series: Air filter with washable pre-filter, double filter, fearless against heavy dusty and grass. protection, easier to clean and reusable, comfortable in the whole . Individually Well-packed and Extend Life Series Replacement Air Filter 491588s, Also Compatiable: for 17211-zl8-003 17211-zl8-000, gc160 gc190 gcv190 gx100 gc135 gcv135 push / behind lawn mower air filter. for and Stratton generator, tiller, pressure / power washer air filter. for 30-710, 30-927, 2838, 21529800 air filter. Color: blue + green + white Material: plastic + filter paper Package Contents: 3 x air filter 3 x pre filter Only the above package content, other products are not included. Note: Light reflection 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.