Reducing Straight Coupler 15mm x 3/8" from John Guest Speedfit This Push-Fit Reducing Straight Connector 15mm to 3/8" is part of the John Guest Quick Connect Range – JG Part No. NC2511. It is ideal for converting from one tube size to another.
NC2511 Straight Reducing Coupler 15mm - 3/8" manufactured by John Guest Speedfit