WQPO3F61 | 1/4″- 20 Quick Coupler Plug Thread Size: 1/4″-20 (1/4 inch, 20 threads per inch). Material: Typically brass or stainless steel. Design: Standard quick coupling plug. Sealing: Bubble-tight sealing for both nylon and PU tubing. Connection: Easy push-in connection and removal by pressing the collet cap. Durability: Stainless steel collet for long life and […]