Douglas Harding wrote: "If I remember correctly Stan Rydarowicz offers resin parts for modifying a 2-bay hopper with these panels. He even cuts the openings in the car and sells a kit."
To clarify, Stan offers two different HO scale coversion kits. The first uses the Bowser Class GLA kit and models the one-of-a-kind PRR Class GLF. The second uses the Athearn twin and models the cars built new (NOT rebuilds) for the Wabash.
