Check the listing for details. Pipe Fitting Reducing Adapter M20 x 3/4" NPT Reducer Connector Silver. Condition: New. Listed at 23.06 USD. Description: Material - The pipe reducing adapter is made of 304 stainless steel, which has good anti-rust and anti-corrosion properties and is not easily corroded in the air or chemical media. It is not easy to break or deform, can be used for a long time, and meets the good comprehensive performance of machine parts.Advantage - Reducing connectors are adapters that can be used to connect different types of pipes or fittings, reducing the pipe size from a larger bore to a smaller bore. Pipe reducer connectors have strong sealing properties and can prevent liquid leakage.Easy to Use - The reducing adapter is easy to use. Simply connect the connector and pipe interface to each other according to the correct size and wrap the sealing tape around the threaded interface.