Item ID: 190257 1 Offered at Best Price Astex WR284 to WR340 Waveguide Adaptor Aluminum rectangular waveguide component.Black-painted "orange-peel" texture common to Astex (MKS) waveguide components.Commonly used with higher power Astex microwave delivery systems & plasma sources. Functional with Astex and non-Astex microwave goods at 2.45GHz frequency.The waveguide length is nominally 5.5 inches. 10 through holes on each flange.Photos available upon request. Unit Price Unstated Number of Units 1 Manufacturer Astex Model CPR340 or equivalent Description Rectangular microwave waveguide adaptor Other Information If you are seeking a shorter or longer length adaptor for special fit-up needs, we may have one in stock. Please don't hesitate to inquire. If you need a shorter length adaptor, Sairem item 260985 is an option as of 8/27/25. Send QUESTIONS