These Tray Guides are designed to eliminate the tray from getting caught on the rear rack leg. This recurring irritation happened each time I slid a full tray into my Harvest Right Freeze Dryer. Thankfully not any more, a personal favorite, repeat smiles guaranteed. Works well with “Ice Guard” Rails, but not the Cover or Hose. Made from stainless steel with a brass knob (FD Sizes: Sm, Med, Lg, & XL).
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