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Description | A | AA | B | C | E | F | Lid/Grate Material |
---|---|---|---|---|---|---|---|
Airport Manhole Frame, Ductile Iron Lid, Bolted/Gasket Sealed | 21-1/2 x 21-1/2 | 23-1/2 x 23-1/2 | 1-1/2 | 18 x 18 | 24 x 24 | 8 | Ductile Iron |
All dimensions are listed in inches unless otherwise noted. |