Stream Table Outlet Washer and Hex Nut for 1/2" Drip Irrigation Threaded Elbow

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Set of six threaded washers and hex nuts that screw onto the threaded end of a 1/2" drip irrigation 90-degree elbow. The elbow is used as a drain for a DIY recirculating stream table. The washer and nut, along with a hand-cut rubber gasket, are used to attach the elbow to a large plastic tub that has been converted into a stream table. The washers and nuts allow for a quick removal of the 90-degree elbow drain so that stream tables may be stacked and nested for easy storage. Complete instructions on how to make the stream table can be found on my website: https://www.mrhollisterphoto.com/stream-table.html