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All manholes are composite and rated for 50,000 pounds.


LETTERING: Lids normally furnished marked “SANITARY SEWER”, special lettering available.
SEAL: All Frame and Cover Assemblies are sealed by an EPDM gasket.
BOLT DOWN LIDS: Are secured to frames with four Xylan coated stainless screws.

Trumbull Industries Composite Manhole Covers and Frames

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