not One Time Use - This wall mounted air conditioner wash cover can be used repeatedly and couple years, Made of 1.0 mm thick PVC waterproof sealing strip with tight stitches, It is soft, waterproof and corrosion resistant, durable Transparent Clean color - Helping Observe every corner of the air conditioner through perspective, without missing every dirty place Full Protection - All surrounding hold design to better protect your wall, the air conditioner cleaning cover prevents your walls and other places from splashing/splattering of the sewage during the process of cleaning Easy to Operate - Integrated design, not need to install additional drain pipe, ease to cover your air conditioner with the help of It's elastic rubber. Large channel can drain the water quickly Compatibility - Suitable for internal air conditioners with a circumference of less than about 3.2 meters/125.98in, generally used for 2-3P on-hook