Supreme - 150x100mm NU Drain Bottle Gully Trap - Supreme drain bottle gully trap is used for maintaining health and hygiene and controlling the filthiness and pollution. It has high strength and durability. Supreme gully trap comes with improved noise insulation. It has a smooth bore better flow and has corrosion-free properties. Also, the trap device is fire and chemical resistant. It comes with a circular plastic grid. The bottle gully trap is an ideal option for new installations or replacements. It is connected to waste and rainwater pipes. There is a removable rubber plug that provides cleaning option.