Outer Diameter:
Inner Diameter:
Bolt Circle Diameter:
Thickness:
Weight:
Cover Material:
Access Cover Material:
Flange Material:
Grommet Material:
Seal Material:
Bolts & Washers:
20-1/2 in.
18 in.
19-1/2 in.
1/2 in.
4 lbs.
HDPE Structural Foam
ABS
ABS
PVC
PVC
STAINLESS STEEL