... + , B125, C250, D400 Material: Sheet Moulding Compound SMC Manhole Cover in EN 124 with A15+ , B125, C250, D400 Using surrounding ... 450mm C250 With Lockable BoltClear Open 450mm C250 Antistatic Watertight With Lockable BoltClear Open 450mm D400 With Lockable BoltClear ... Open 660mm B125 With Lockable BoltClear Open 700mm B125 Watertight With Lockable BoltClear Open 700mm C250Clear Open 700mm D400Clear ...