Wiper can be wiped clean thoroughly by entering the narrow gap of the air vent (vent). The tip of the mop is split in two crotches, so you can clip the louver and clean it. (Reasons for Total Length: Approx. 14.6 inches (37 cm)): The ceiling height of typical Japanese houses is about 8.6 ft (2.4 m), and when the air conditioner is installed, it can be easily cleaned without having to sit on a chair or stepladder. [Thin Head] Allows you to securely enter into tight spaces that are hard to reach and clean. Microfiber mop: 1. The mop is made with microfiber. With a long 0.3 inch (8 mm) bristles, it is easy to penetrate into fine gaps, and removes dirt well. 2. Can be used with either a dry or water wipe, and remove dirt with just water. 3. The mop part is neat, so you can clean it according to the shape of the air vent (vent). 4. The mop part can be removed and washed, so it can be used repeatedly and cleanly, making it eco-friendly and economical. Grip: Square shape for a firm and stable grip.