Feature:1. One‑button press, it can automatically exhaust and decompress, no electricity is needed, fast and convenient, and time‑saving and labor‑saving.2. Good craftsmanship quality, it uses high‑quality stainless steel material, durable and sturdy, easy to clean, can be kept clean, and has a long service life.3. Detachable water box, it is easy to disassemble and install, easy to clean, can effectively prevent water pollution, and convenient to clean in time.4. Equipped with a back buckle, it is equipped with a button‑type buckle, which is small and beautiful, which can effectively prevent the back plate from slipping off, and at the same time reduce the between the gaps.5. Scientific structure design, the bottom of it can be equipped with a gas cylinder, and it is equipped with a non‑slip film to reduce the sliding of the fuselage during work.How to Use:1. Open the back cover and place the gas cylinder (not included) diagonally into the fuselage.2. Align the head of the gas cylinder (not included) to the machine head and tighten it counterclockwise, and then close the back cover.3. Connect the drinking water to the water level line of the PET bottle, tighten the bottle cap (the cap positioning column exceeds the lock position), and place the water bottle obliquely into the fixed groove and&