MettleAir 125PP-4B-1 PK Polypropylene Plastic 1/4" ID 1/4" NPT Male Single Barb Hose/Tubing Fitting Connector Part #: 125PP-4B Tubing ID: 1/4" Thread: 1/4" NPT Type: Male Thread x Hose Barb Please measure prior to ordering, photo enlarged for easy viewing, scale may be distorted