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Pipe Size Dimension A - Grate Dimension Dimension B - Grate Thickness Dimension C - Clear Opening Dimension DD - Lower Frame Diameter Dimension E - Frame Dimension Dimension F - Frame Height Grate Type Open Area Perimeter Shape
N/A 19-3/4 1 18 25-1/4 4 G 0.8 5 Round
All dimensions are listed in inches unless otherwise noted.

Heavy Duty
Suitable for heavy traffic. May be used for handholes, equipment covers etc..
On bridge or highway construction.

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