Durable Material: Made of reusable ABS plastic materials good design safe durable and practical in use it is all you are looking for. Special Design: When the water tank is filled with water turn off the booster pump to avoid burning the booster pump. This high or low pressure switch is a good replacement for the old or broken one you can order it according to your needs. Widely Applicable: Suitble for reverse osmosis water system water purifier pure water machine water dispenser. Long Service Life: This pressure switch has a fast response to protect the equipment effectively and has a long service life. Fast response to protect the equipment effectively. Meaningful Tool: The high pressure switch is normally closed until high pressure is reached and opens to switch off the pump. The low pressure switch will turn off pump when the water pressure drops below working level or no water. Specification: Material: ABS Size: Approx. 12*9*8cm/4.72*3.54*3.15inch Color: White Notes: Due to manual measurement please allow a slight error in size. Due to the difference between different monitors the picture may not reflect the current color of the item. includes: 1 * Pressure Switch