Features: Brand new and high quality Improve Fuels supply efficiency: The carburetor oil bubble fittings of lawn mower can effectively improve Fuels supply efficiency, ensure the normal operation of lawn mower and provide stable power output. Reduce Fuels consumption: Through correct installation and adjustment, this accessory can make the mower more energy-saving, reduce Fuels consumption and reduce the use cost. ABS materials: The accessories are selected from ABS materials, which have the characteristics of corrosion resistance ensure stability and reliability in various environments. Precise design: The oil bubble fittings are precisely designed and manufactured to ensure perfect matching with the carburetor of lawn mower and provide accurate Fuels supply. Farmers and horticulturists: Suitable for farmers, horticulturists. They can use this accessory to improve the performances and efficiency of lawn mowers. Specifications: Material:ABS Type:50Pcs/100Pcs Package Includes: 2 Optional Package: Package 1 Include:500Pcs Primer Bulbs Package 2 Include:100Pcs Primer Bulbs note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.