KARMAT Backwater Valves effectively secure any rooms located on the lower floors;;Installed in 160mm sewage pipes before they exit a building or sewage drains;;Prevents against rodents entering building interiors through the sewage and other sanitary systems;;Secure the lower floors against flooding caused by back flow of storm water and sewage;;Made of high-quality PVC Plastic - resistance to the effects of chemicals and hot sewage;

• 160mm Backflow Valve/Non Return Valve

160mm Backflow Valve/Non Return ValveKarmat