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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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