Pneumatic Test-Ball Winter Plug for 4 Inch Pipe - 3.41 to 4.25 Inch Usage Range depth-marker-conveys_Meters Boss 802 Silicone is the

Boss 802 Silicone is the perfect product for pool and spa applications

the built-in overflow will take the right amount of water out of the system

The lift would need to be anchored to one of the Global anchor systems to make it fully ADA-compliant

It fits on the bottom of the CAT probe so it can be hooked up to the Strantrol or Chemtrol Flow Cell

They are made from a closed cell foam and are fully sealed and smoothed to provide durability and comfort

Pneumatic Test-Ball Winter Plug for 4 Inch Pipe - 3.41 to 4.25 Inch Usage Range depth-marker-conveys_Meters Boss 802 Silicone is theThis 4 inch pneumatic test ball winter plug is designed for a variety of applications including winterizing pools by blocking pipes. They can also be used to test drains, tests and waste systems. And they can be used on any type of pipe. Made from natural rubber, these plugs are tough, tear resistant and have excellent expansion and memory. The removable zinc plated steel chain and ring handle act as an anchor to prevent plug from sliding down a line.