18PCS Engine Intake Valve Carbon Cleaning Walnut Blaster Adapters Connerctores  The 18 piece adapter set is needed to connect the cleaner to the engine intake when using the walnut sand cleaner, which requires the use of the adapter fitting accessories. Fitting Material: These adapter fittings are usually made of high-quality materials with good corrosion and abrasion resistance, which can ensure the long-term use of the fittings. Fitting Type: A variety of fittings to meet customer needs, so that users can choose to use according to different models and engine types. Professionalism: Choose the corresponding adapter to ensure the sealing of the joints during the use of walnut sand cleaning machine, to prevent the walnut sand from leaking during the cleaning process. Package Details: 1× set of 18PCS adapters