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 Zipper Drain® is available in 6-ft lengths with hot-dipped galvanized grating

 ...or a bolted cast iron frame and grating, both designed for AASHTO H-20 loading.

The Zipper Drain® is a one-step monolithic precast concrete trench drain.  Economical, simple installation - Just set and pave! There's no in-place forming or concrete encasement required.

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