Feature●【Commonly Used 】:Specifically designed to Compatible with the Echo PB-2520 Leaf Blower, ensuring a perfect fit every time.●【Easy Installation】:Direct Fitment: Made from high-quality materials, this carburetor kit offers excellent performance and a long lifespan.●【Replace Number】:A021004700 A021000722 A021000723 allowing for easy replacement of your old or damaged carburetor kits.●【Material】: Made of high quality durable materials professionalism and stability of the work.●【Warranty】:Please check the part numbers and size before order,If you have any questions, please feel free to contact us,We will as soon as possible to reply youDescription