Measurements: The dimensions of this 1/8" (3mm) check valve are 30.6 x 14.9mm. Perfect for smooth and efficient operation in multiple applications. Wide pressure range: With an opening pressure of 0.5 Kpa and a maximum back pressure of 300 Kpa, this valve is very reliable in maintaining fluid control, providing stability in high-pressure environments. Material: Made of PP material, it provides excellent corrosion resistance and durability. Suitable for long-term use in various fluid systems, ensuring strong and stable performance. Temperature Resistant: Designed to operate within a temperature range of 25°C to 60°C, this valve performs consistently in diverse environments, making it suitable for a variety of industrial and home applications. Multi-application versatility: Ideal for preventing reverse flow in liquid and pneumatic systems that process water, fuel, oil, air and gas.