A Simple Valve Prevents Flooding

Installing and maintaining an anti-siphon device is easy-and prudent-to do. From "Hands-On Sailor" in our April 2008 issue

images.adsttc.com/media/images/5ecd/b6e9/b357/65c6

★ 【Material】: The main parts are made of solid brass which is durable and corrosion resistant.The gaskets are made of molded rubber which is soft and

Internal Backwater Valve,2-F 2 Float Model Flood-Guard for 2-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection

Many Causes Of Basement Flooding Can Be Prevented - Balkan Sewer & Drain Cleaning Service

What Are Interior and Exterior Backflow Valves and How Can They Help with Flooding?

Install a Sewer Backflow Valve

The check valves work very well at preventing back flow into your air lines.A simple way to protect your air-pumps from backflow.It can deliver air

Air Pump Check Valves 4mm One Way for Aquarium Fish Tank Pump No Backflow Water Prevent Siphon Flood No Noise Fit Line Tube Hose Red Clear Plastic

Anti-Flood Valve, Check Valve

Drain Flood Protector (4 inch Float Model) - Drain-Net Technologies

An Automatic Backwater Valve Stops Sewer Water Flooding