McAlpine 1 3/4" White PVC Plug WP4 is a plumbing component that is used to seal off a pipe or fitting. The plug is made of white PVC, which is a durable and corrosion-resistant material. The 1 3/4" size refers to the diameter of the plug, which is designed to fit into a pipe or fitting with the same diameter. The WP4 designation is the model number of the plug manufactured by McAlpine, a leading plumbing and drainage product manufacturer based in the UK. This type of plug is commonly used in residential and commercial plumbing systems to prevent the flow of water or other liquids. ・ Available in 1½"and 1¾" ・ Available with or without triangle ・ Manufactured in White PVC