This water pressure is made of plastic, which has reasonable design, practical functions, and can be well applied in hot and cold water automatic pump. Simple structure and excellent craftsmanship make it easy to use and have excellent durability. Features -Color:Grey -Material:Plastic -Size:32.00X4.50X4.50cm/12.58X1.77X1.77in -ON: 1.0kg/cm²; OFF: 1.8kg/cm² -Type: 1/4 inch male thread - The water pressure is designed with good response effect. Automatic control, no manual operation is required. - Made of plastic material, water pressure is strong in structure, , sturdy in use. - Designed to automatize the starting and stopping operation of water pump, and maintain the pressure and flows. - Automatic pump pressure is applicable to self-priming pump, hot and cold water pump, with strong practicability. - Automatic design, convenient and practical, more accurate automatic control, so that your water pressure is stable. Package list: 3 pressure