Suitable for Delong Fully Automatic Boiler Water Guide Elbow Maintenance Accessories, Leakage Valve Semi Connected L-shapedTips:If the espresso mechanical device is used for decades and every unmarried day care is not taken seriously, the grinder, extractor, powder column, and different components contained in the mechanical device can't be seen, and used espresso grounds, scale, and dirt can be left behind, affecting the carrier existence and inside hygiene of the machine. The espresso mechanical device undergoes deep maintenance, comprehensive disassembly, cleaning, lubrication, calibration of core components, and replacement of consumables corresponding to sealing rings. Extend the service lifetime of the mechanical device and maintain cleanliness and hygiene. We have assorted brands of espresso machines for fix and substitute parts. Please contact us if needed. Make yes you need this product before creating a purchase. If you do not confirm the model, you have to contact guest service. If you return the product, it's going to be returned to the Buydo warehouse for destruction and can't be returned to us. We are also chargeable for transportation costs, platform transaction taxes, goods destruction and processing fees. For us, the losses are very significant, and you will be blacklisted and obtain a one big name rating. Please store rationally. buddy