Applicable to DeLonghi EC9665/EC9335 Semi-automatic Coffee Machine Maintenance and Cleaning Tablets,Brewing Head Cleaning TabletsTips:If the coffee mechanical device is used for decades and each day care is not taken seriously, the grinder, extractor, powder column, and assorted features contained within the mechanical device can't be seen, and used espresso grounds, scale, and mud may be left behind, affecting the provider existence and inside hygiene of the machine. The espresso mechanical device undergoes deep maintenance, whole disassembly, cleaning, lubrication, calibration of core components, and alternative of consumables akin to sealing rings. Extend the carrier life of the mechanical device and keep cleanliness and hygiene. We have various brands of espresso machines for repair and substitute parts. Please contact us if needed. Make sure you need this product before making a purchase. If you do not confirm the model, you may contact visitor service. If you return the product, it is going to be returned to the Buydo warehouse for destruction and can't be returned to us. We also are responsible for transportation costs, platform transaction taxes, goods destruction and processing fees. For us, the losses are very significant, and you will be blacklisted and get hold of a one star rating. Please shop rationally. buddy