Manhole Ring

Type of Concrete M400 M400 M400
Diameter 1.2 m 1.2 m 1.7 m
Inner Diameter 1 m 1 m 1.5 m
Height 1 m 0.5 m 1 m
Volume 0.34 m³ 0.17 m³ 0.50 m³
Weight 820 kg 410 kg 1250 kg