Pressure inlets enable a waveguide run to be either, purged with dry air to prevent water ingress, or to be pressurised with an inert gas to increase its power handling capability. We offer a range of compatible hose/tube connectors, tees, elbows, gauges from our online store. Suitable for external use, powder coated finish provides an environmentally resistant, long-lasting aesthetic finish. Extra-long screws plus gaskets included as standard.