3 Pcs 1/2 Check Valve, One Way Valve Non Return Ozone Resistance PVDF Plastic Check Valves for Fuel Gas Oil Water Air

["【Rugged Material】This one-way check valve is made of high-quality polyvinylidene fluoride (PVDF), offering excellent corrosion and abrasion resistance. The internal diaphragm uses safe silicone rubber, ensuring reliable sealing and long-term performance","【Precise Anti-Backflow Design】This straight-through check valve is designed to prevent fluid backflow in hydraulic systems or compressed air backflow in pneumatic systems, featuring a pagoda-shaped barbed nozzle. This good grooved structure enhances airtightness and suction, allowing for a secure connection with 1/2-inch inner diameter hoses, ensuring stable one-way flow","【Wide Application Range】This check valve is ideal for a wide range of applications, including water treatment systems, air purification devices, automotive parts, machinery, home appliances, and agricultural applications","【Package Contents】The package contains 2 white check valves, providing a ready-to-use solution for various projects. The valve body features clear flow direction markings, simplifying installation and avoiding repeated adjustments","【Excellent Temperature Resistance】The check valves operates reliably over a wide temperature range from 25°C to 135°C, ensuring stable performance"]