Sioux Chief 4" ABS Check Valve Backwater Device. This 4" ABS Check Valve Backwater Device is a genuine part manufactured by Sioux Chief. This Check Valve Backwater Device functions similar to a test tee. This Tee allows you to easily access, and control water from entering back into the system.
|Product:||Check & Anti Backflow|
|Use:||Drain Waste and Vent|
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