Benefit :

1) Top Cleaning / Access
2) Odour tightness
3) Luxurious and Strong Gratings
4) Prevents cockroaches/ insects from entering the house
5) Higher false ceiling height - Space saving
6) 75mm opening for rodding purpose

Recommended for bathroom & kitchen when basin & aircond discharge are not connected to  oor trap.
Ease of installation for renovation job with existing pipe sleeve.
For conversion from conventional to top access  oor trap