Compatible 18 Inch Blade and Air Filter for MASPORT Mowers Fits Models 450E 500E 550E 550EX with Enhanced Engine Efficiency Features: *Compatibility: This blade and air filter set is specifically designed for MASPORT 18-inch lawn mowers, compatible with models for 450E, for 500E, for 550E, and for 550EX, making sure a perfect fit and optimal performance. *Enhanced Performance: The inclusion of a foam air filter aids in maintaining engine efficiency by safeguarding dust and debris from entering the motor, promoting longer life and better power output. * 97 mm from the center of the bolt hole, Width 44mm,Hole 13m. *Durability: Crafted to withstand rigorous use, the four-blade design ensures that your mower can tackle tough grass and uneven terrain, providing a reliable cutting experience. *Versatile Use: It fits for both residential and commercial lawn care, this blade set is suitable for 19-inch cutting for MSV and for MSV550 models, making it a versatile choice for various mowing needs. Specifications: *Product Name:18inch Blade And Air Filter Blad 450E 500E 550E 550EX for SparkFor MASPORT *Material:Sponge/Iron *Size: Show as the picture *Color:Yellow/Black Package Content: 1 xAir filter 1 xspark piston 4 x Blade and bolt Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_