PRODUCT TO BE DISPATCHED FROM POLAND - AROUND 2 WEEKS LEAD TIME;Installed in 110mm 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;;Double-flap backwater valves offer a greater choice of security devices

• 110mm Back Flow Backwater Non Return Valve Double Flap

110mm Back Flow Backwater Non Return Valve Double FlapKarmat