FiberPlex WET-18-A Waveguide Extension Tube Plastic (PVC) 18 In Long Internal Body Thread Size 1.125 In 18 NEF

The FiberPlex WET-18-A extension tubes allow for easier pass through of fiber through thick walls and penetrations. The WET tubes are made of PVC and are internally threaded. These attach directly to a the Waveguide Filters without the need for a separate coupling nut. The WET-18-A fits the WGF-6, WGF-461 and WGF-4 while the WET-18-B fits the WGF-12.