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The Zoeller Swing Check Valve PVC 3 Compression is designed to prevent backflow in sump disposal lines, wastewater lines, sewage lift stations or ejector systems. Its full flow design ensures smooth operation without affecting the flow rate. Made of durable PVC material, this valve provides reliable performance and resists corrosion for a long-lasting life. The inline swing mechanism is simple to maintain and eliminates the need for additional external components. With its 3-inch pipe size, this valve can handle heavy-duty applications and provides maximum flow rate. The Swing Check Valve from Zoeller offers exceptional value and performance in a variety of commercial and residential applications where backflow prevention is essential.