5PCS Check Valve for Water Treatment(6mm)

Good resistance to ozone, high temperatures, and corrosion. With sufficient pressure capacity and rigidity to meet actual usage requirements within its appropriate range. Widely used in water treatment, air purification, automotive parts, the machinery industry, medical equipment, household appliances, etc. This one-way check valve makes it easy to replace broken check valves. This one-way check valve makes it easy to replace broken check valves. Plastic check valve for aquarium air pump, check valve for red air hose, suction cups, plastic check valve. Specifications: Item Type: Check Valve Material: Food-grade PP (polypropylene) Inner Diameter: 3.8 mm/4.9 mm Temperature: 0 to 120 °C Thinnest Outer Diameter: 5.0 mm/6.0 mm (optional) Color: Translucent Contents: 5 check valves