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A- Lid Diameter B-Lid Thickness C-Clear Opening E-Flange Dimension F-Frame Height Shape
20 x 24 1-5/8 18-1/2 x 22-1/2 25-1/4 x 29-1/4 4-1/2 Rectangular
All dimensions are listed in inches unless otherwise noted.

Heavy Duty

Frame is reversible for slab installation

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