This fits the 2022 model of Harvest Right freeze dryers. Might fit other models, but couldn't say for sure since I don't have one.

This is a grommet for the hole in the metal frame where the drain hose comes through on the left side. Printed in TPU for the flexibility to press both halves in. This version has extra material in the center to stabilize the hose coming through, but the exact size/shape of this could be customized if you want. I've replaced my drain hose with a slightly larger one, and this fit fine. Provided the Sketchup file if you want to tweak it.