These are the pipes needed for installing our 16″ Shadow® and 20″ Synergy Reef Overflows. These pipes are for the inside of the rear box. They are pre-cut and chamfered and allow for Plug ‘n Play operation of the overflow. 1.5″ PVC Black. U-Pipes show are NOT included 3 pipes only. Slight modifications to the sizes may need to be done for your specific flow rates. These are the basic sizes that will work for most.
Sizes included are: