P-675 - Luer Adapter Male Luer x 1/4-28 Female Tefzel
Masterflex™ Polypropylene Male Luer Adapters Fits Tubing (Inner Diameter): Male Luer Lock to 1/18 in. Low Profile Barb Tubing Connector and Fitting Tools and Accessories | Fisher Scientific
Idex® Quick Connect Threaded Male Luer Adapters from Cole-Parmer