Elliptical manhole
Elliptical manhole. Only available for some models, ask for more information
Lifting device
Steel lifting device. Only avialable for some models (Ø1010 mm - 2550 mm)
Top diffuser
Top diffuser according to needs
Rack for ring support
PVC rack for ring support. Only available for some models (Ø415 mm - 960 mm)
Legs
Polyester closed legs. Check anchorage system
Drilled plate for ring support
GRP drilled plate for ring support. Only available for some models (Ø1010 mm - Ø2550 mm)