The McAlpine Fitting Reducer 1.1/2" X1.1/4" T12M is a plumbing fitting used to reduce the size of a 1.1/2 inch pipe to a 1.1/4 inch pipe. The "T12M" in the description refers to the specific model of the reducer, which is manufactured by McAlpine, a UK-based company that specializes in plumbing and drainage products. The reducer has a 1.1/2 inch end that fits over a 1.1/2 inch pipe and a 1.1/4 inch end that fits inside a 1.1/4 inch pipe. The reducer is designed to create a secure, leak-free connection between the two pipes. Overall, this type of fitting reducer is commonly used in plumbing applications where pipes of different sizes need to be connected. The McAlpine Fitting Reducer 1.1/2" X1.1/4" T12M is made from high-quality materials and is designed to provide reliable performance over an extended period of time. ・ Available in 4 sizes ・ Plain end designed to fit in to other fittings or Traps with a compression connection ・ Multifit Fittings suit all plastic waste pipes to BS EN 1451-1:2017 and BS EN 1329-1:2020 and copper pipe and lead pipe ・ Manufactured in Polypropylene