The DEUBLIN 157-000-151 is a high-quality hydraulic union featuring a 1/2 NPT and G 1/2" RH thread configuration. Designed with both monoflow and duoflow capabilities, this rotating union boasts a durable forged brass housing and a corrosion-resistant stainless steel rotor. The unit includes 3 strategically placed vent holes for optimal performance in hydraulic systems.