Here are two CPC (Colder) PMCD10004 Inline Coupler Quick-Disconnect Fittings, they have a 1/4 in treaded NPT body with a valved shut-off, acetal material, takes pressure up to 120 psi, and temperature up to over175 degrees F. These CPC (Colder) plastic quick-disconnect fittings feature an ergonomic design and thumb latch for an easy grip and simple operation. Simply plug the coupling insert into the coupling body to connect fittings. Fittings will lock into place immediately. The audible click when the coupling engages confirms a solid connection. To disconnect fitting halves, simply press the button on the coupling body.