Item ID: 209066 2 Offered at Best Price Astex 90-degree Waveguide Elbow with extension WR284 waveguide elbow with one elongated side.One of two flanges has threaded holes (Helicoil inserts). ... other images Unit Price Unstated Number of Units 2 Manufacturer Astex Model AX3008 Description WR284 elbow w/ elongated side Send QUESTIONS