This 19mm ø inspection pipe is a blue translucent PVC pipe that attaches to the front of your Green Man System pot. Crucial for checking water levels in a single pot system whilst preventing the build up of algae. 

• Algae Resistant
• Made for 19mm Pipe Work
• Connects to any Green Man System Unit
• For Single Pot Combi System Setups 

The Green Man System is designed and manufactured in the U.K.