Brennan PCNY2700-08-08 PBT Push-to-Connect Tube Fitting, Bulkhead Union, 1/2" Tube OD Bulkhead union for connecting a tube to a male thread through a panel Push-to-connect tube connections on both ends Nylon for strength and flexibility, abrasion resistance, light weight, and resistance to crushing and cracking Handles pressures up to 290 psi and an operating temperature range of -4 to +175 degrees F Meets ISO 14743 specifications