This kit includes everything required except the riser pipe. Supply your own pipe from 23.5 in. - 24.5 in. inside diameter (Required for assembly). Includes our integrated safety barrier for added protection.
Plastic adapter ring is 30 1/4 in. x 30 1/4 in. with a 22.5 in. ring inner diameter
Will fit new ADS twenty-four (23.5 in. ) and old ADS 24 in. inside diameter double wall corrugated pipe
Fits all opening shapes e.g. round， square， rectangular， etc.
Includes cover， base flange， safety barrier， and all hardware and sealants. Supply your own pipe.
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