21-5/8 in. Manhole Riser Ring
21-5/8 in. Manhole Riser Ring
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Product Details
Documents
Specifications
- ASTM:
- ASTM A-48 Class 35B
- Diameter:
- 22 in
- Diameter - Inside 1:
- 20 in
- Height:
- 1-1/2 in
- Material:
- Cast Iron
- Product Type:
- Manhole Riser