For use with universal P gully trap (Code D500). Square hopper and gully grid should be assembled to the universal gully trap via underground drainage pipe. The assembly should take place out of the ground and then manoeuvred into place.
All of our underground drainage parts can be easily distinguishable from soil and waste pipes when installing or performing maintenance.
Our 110mm underground drainage products are manufactured to BS 4660 and BS EN 1401-1 specification.