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


Designed to fit your NDS® Mini Channel trench drain.

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

This Aluminum 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

Recycled Materials Used


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Grate Load Class

Grate Finish

Load Class

Load Class A

Grate Shape



Bronze Age, TDS

Grate Pattern

Grate Height

1/4 inch

Product Type



MAX Mini, Mini Channel

CSI Code 05 53 00, 05 56 00, 05 59 00, 05 70 00, 05 74 00, 22 00 00, 22 14 00, 22 14 26, 22 14 26.19, 33 40 00, 33 44 16

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