Bronze Age BA-SLOT-0312 Class A Bronze Natural Finish 3″ x 12″ Grate


Designed to fit NDS® Mini Channel trench drain.

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This light-duty BA-SLOT-0312-B NaturalBronze Slotted Grate is a great replacement for NDS® Mini Channel grates or any 3″ grate!

This bronze grate is made in the USA and measures 2.68″ width and a length of 12″.

This trench drain grate meets Class A Load Requirements for Light-Duty Loads.

These grates are perfect for any low-traffic applications such as pedestrians, bicycles, and golf carts.

This system has a Load Class rating of A but can be rated for a B Load Class if properly installed; see specification sheet for details.

Bronze Age Slotted Grate Specification Sheet | Class A or B

BA-SLOT-0312 Drawing



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Grate Load Class

Grate Height

1/4 inch


MAX Mini, Mini Channel

Grate Finish

Product Type


Load Class

Load Class A

Grate Shape



Bronze Age, TDS

Grate Pattern