Upper Spindle Rack is designed for cleaning narrow-neck labware. Includes 36 spindles, 36 adjustable height clips, 18 glassware holders, 10 small spindles and clips, 36 spindle plugs, and 12 spindle arm plugs. Constructed of type 304 stainless steel. Includes upper slide rails. For use in FlaskScrubber and FlaskScrubber Vantage washers manufactured after October 2020.