DescriptionA simple and fast maintain pleasure, instead of fall into trouble by clean dirty filter sponge. Mower will breathe smoothly, get powerful and improve gas mileage. Effectively prevent dust and dirt from damaging engine, excellent protection.Features-Color:Yellow -Material:Sponge -Size:9.50X1.80X1.50cm /3.73X0.71X0.59in-Note: Suitable for 139 mower - Wide use kit for lawn mower air filter, these air filter sponges can replace original filter.-This air filter can keep grass debris from damaging lawn mower engine. Can make sure to get enough clean air to reduce pollutants.- The air filter sponge is manufactured with professional technology to ensure the of the product and can work for a long time.- Larger filter area, higher air intake than original. Mower will breathe better. Practical to use.- Extend engine use life, excellent filter sponge helps to improve the machine performance by reducing the dust that may enter the machine.