The McAlpine BT1 19mm Water Seal Adjustable Inlet Tubular Swivel 'P' Trap with Multifit Outlet is a plumbing component used for connecting the waste pipe from a sink, basin, or bath to the drainage system. The 'P' trap is named after its shape, which resembles the letter 'P'. The McAlpine BT1 'P' trap features an adjustable inlet that can be rotated and adjusted to fit a range of positions and angles. This allows for greater flexibility in installation and helps to ensure a secure and watertight connection. The 19mm water seal is designed to prevent foul odours and gases from escaping from the drainage system and entering the living space. The water seal also helps to prevent blockages by trapping debris and preventing it from entering the drainage system. The multifit outlet allows for easy connection to a range of waste pipe sizes and types, making it a versatile choice for a variety of plumbing applications. Overall, the McAlpine BT1 19mm Water Seal Adjustable Inlet Tubular Swivel 'P' Trap with Multifit Outlet is a reliable and flexible plumbing component that is commonly used in residential and commercial plumbing installations. ・ Available in 1¼" and 1½" sizes ・ 19mm Water Seal ・ Multifit Compression Outlet suits all plastic, copper and lead pipe ・ Adjustable Inlet makes trap suitable for all domestic repair, maintenance and improvement work ・ Manufactured in polypropylene