As an Amazon Associate, we earn from qualifying purchases. Home » Cole-Parmer » EW-07123-42 Quick-Disconnect Couplings for Air Lines. Coupling options are available in both 1⁄4" and 3 ⁄8" standard connections ... Cole-Parmer . EW-07123-42 Attributes Brand name, Manufacturer name, ManufacturerCole-Parmer