Feature: Uses: For mower replacement, compatible with & Stratton 491588s 491588 4915885 399959 push mower bs-4101 5043 5043A 5043D 5043H 5043K. Suitable for 3.5-6.5 quantum small engines, 625 675 725 625-675 e/ex series parts. Size: 13cm x 11cm Fits perfectly: The stratton replacement filters are compatible with all stratton cartridges. Made of material: Made of high-quality plastic material, which is and can be used for a long time. Super convenient: This replacement air filter is easy to install and remove, no tools needed. it can be used for stratton cartridges. Color: blue+white+silver Material: metal+plastic Package Contents: 15 x filter elements 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.