300-24 4X Riser Ring
- 300-24® 4x standard cast iron 4″ tall riser ring for the 300-24® series manholes.
- Stock item.
- Uncoated ASTM A48 Gray Iron CL35B or better, AASHTO M306.
- H-20 traffic rated when used with an H-20 traffic rated ring and cover or grate that is properly installed for traffic in reinforced concrete.
- Standard size Steel riser rings are stock items, other sizes are available on special orders. All sizes and styles are available.
- Made In USA. LEED® certifications available on request.
- Please use the Contact Form or call us to request info & submittal sheets.
- 1-800-258-2278 Toll Free or (972) 263-1360 DFW Local.