Description Premium water purifier quick-connect high-voltage switch is a pressure switch, which plays a role in pure water machine: when the water of the pressure barrel is not full, the pressure barrel's back-Press effect makes the low-voltage switch jump, thus cutting off the power supply. Features - Color:White. - Material:Metal + Plastic. - Size:5.50 x 5.00 x 2.70 cm/2.16 x 1.97 x 1.06 inch. - Made of metal and plastic material, which is safe and can be directly connected to a water purifier for drinking. - This protection is relatively light and can be directly connected to the low-pressure pipe of the water purifier. - All water purifier connection bipartite pipes can be used. At the same time, it can make the humidifier stable water supply without noise. - The product is a key component of the most economical potable water purifier. - Universal automatic control accessories, suitable for home, office, factories and high buildings etc.Package list: 1 x Water Purifier Low Pressure Switch