John Guest Reducing Stem Adapter 15mm Stem to 3/8 inch Tube This Push Fit Stem Reducer 15mm to 3/8" is part of the John Guest Range of Drinking Water System components – JG Part No. NC2164. It allows for a 15mm Push Fit Socket or 15mm Compression fitting to be reduced to 3/8 inch tubing or connector.
NC2164 John Guest Stem Reducer 15mm Stem to 3/8 inch Tube