The McAlpine T12R is a rubber reducer fitting that connects a 1 1/4-inch pipe to a 1-inch pipe. This reducer is designed for use with plastic pipes and features a push-fit connection, which makes installation quick and easy. The T12R reducer is made of rubber, which allows it to absorb vibrations and noise from the pipes. It also provides some flexibility, which can be helpful in installations where the pipes may need to bend or flex slightly. It's important to note that the size "28mm" is equivalent to 1 1/8 inches, so this reducer may not be a perfect fit for 1 1/4-inch and 1-inch pipes. However, the rubber material should allow for some flexibility to accommodate slight size differences. ・ Reduces 1¼" to 1"/28mm ・ 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