A minimum of two disconnect fittings are required, one intake and one vent.
Justrite Polypropylene Fitting Disconnect Assembly with EPDM for 3/8" ID Tube, Installed, Stainless Steel/Polypropylene, 12012 Stainless Steel Fitting for 1/4-in (6mm) ID tubing: Based on your application choose polytetrafluoroethylene (PTFE), Viton® or EPDM seals with 1/4-in (6mm) flow. Custom Quick-Disconnect Disposal Cans can be designed with up to eight fittings. Stainless Steel Fitting for 3/8-in (10mm) ID tubing: Based on your application choose polytetrafluoroethylene (PTFE), Viton® or EPDM seals with 1/4-in (6mm) flow.