The McAlpine STW75-TUBE is a dip tube designed for use with McAlpine STW 75mm shower traps. The dip tube is designed to be installed into the shower trap to extend the depth of the water seal. The STW75-TUBE is made from high-quality materials and is designed to be durable and long-lasting. It is easy to install and is suitable for use with a variety of plumbing systems. The dip tube is designed to ensure that the shower trap can effectively trap water and prevent any sewer gases from entering the bathroom. It helps to create a deeper water seal and ensure that the trap remains effective even in high-flow situations. Overall, the McAlpine STW75-TUBE Dip Tube for Shower Traps is an important component of the shower trap system, ensuring that the trap remains effective at all times and the bathroom remains free from any unwanted sewer gases. It is a great addition to any bathroom using a McAlpine STW 75mm shower trap.