Product Description Master Plumber 219-204 Chrome Plated Brass Tube Slip Joint With Cast Elbow 17 Gauge LA kitchen drain trap includes nut, washers and captive nut. Bagged. From the Manufacturer Master Plumber 219-204 Chrome Plated Brass Tube Slip Joint With Cast Elbow 17 Gauge LA kitchen drain trap includes nut, washers and captive nut. Bagged.