Household Accessories: Carburetor primer bulbs are fuel pump replacement parts for garden and lawn mowers. It can quickly replace the old carburetor oil bubbles and save you unnecessary repair costs. Perfect replacement: 19mm x 15mm transparent oil bubble carburetor High quality material: the air purge priming pump is made of high quality transparent rubber, with soft texture, excellent sealing and durability. Easy to install: The installation of the priming cup is very simple, no tool is needed, and the model that matches the machine can be selected directly to perfectly replace the old fuel primer pump. Wide range of uses: The universal replacement primer bulb is a high quality accessory for general machinery. The carburetor bulb is suitable for garden diaphragm carburetor, hedge trimmer, lawn mower, blower, hole puncher, paper cutter, hedge trimmer, chainsaw, pickers, hedge trimmers and various scintillators, etc.