Thickened waterproof cleaning shield effectively collects all dirty sewage and foam during washing, avoids wall, floor and furniture staining, keeps home environment tidy. Multiple specially shaped soft and hard brushes reach narrow gaps of evaporator fins, air outlets and dust grooves, thoroughly remove dust, mold and accumulated dirt without scratching AC parts. Complete air conditioner cleaning kit includes waterproof water catching cover, bottle cleaning brushes, drain hose, rubber gloves and storage bag, meets full split AC deep cleaning demands. reusable accessories, the water bag is wear- and leak-proof, all brushes can be cleaned and stored in the drawstring pouch for repeated long-term use. Easy DIY operation without professional skills, suitable for household self-maintenance and HVAC cleaning service workers, saves expensive professional cleaning fees.