Item ID: 197421 1 Offered at Best Price Gerling Laboratories 3-Port Circulator Water-cooled design, WR284 waveguide size, intended for 2.45 GHz use.Ceramic magnets look fine.Round-flange connections.Photos provided upon request. Unit Price Unstated Number of Units 1 Manufacturer Gerling Model GL401A Description Water-cooled 3-way circulator Send QUESTIONS