Q Trap is mainly used in toilet below the water closet. This is almost similar to S trap and is useful to deal with upper storey other than the ground floor. We provide this for its installation in the floor. In addition, it allows for the simple collection of waste water. Q Trap is suited to be used for washbasin, bathroom, shower and sink. This is a device, utilized to prevent the entrance of sewer gases in many buildings. It is placed below the plumbing fixture and has capacity to deal even with the small amount of water.