Directing water as it should be
Drainage and control of wastewater and rainwater
-Hydraulic manhole cover with filling tray
Special Features:
•Filling tray for floor covering
•2 Hydraulic springs
-Flat hydraulic manhole cover
Special Feature:
•1 Hydraulic spring
-Flat ventilated manhole cover
Special Feature:
• Ventilation device at the top
-Flat manhole cover