Patented product: Split air conditioner cleaning cover bag. 2-meter water pipe for wall-mounted units. Environmentally friendly: Made of non-toxic, odorless, and eco-friendly fabric. Leak-proof: Four features ensure no water leakage during cleaning. Various sizes: 2.4-meter size suitable for 9000BTU, 12000BTU, 18000BTU A/C units. Non-toxic, tasteless, environmentally friendly fabric. There are four features that never leak water. The size is suitable for an air conditioner circumference of less than 2.4 meters. Air conditioner unit size 9000 BTU, 12000 BTU, 18000 BTU. External type outlet. Excellent stitching technology. Relies on a PU waterproof sealing tape. The fabric and the cover are made of waterproof materials.