If the tube is unbroken, this requires a tunnel crawl or unmorph at the top right of the tube in order to clip down through it.

Entrance condition:

"comeInWithGMode": {
  "mode": "any",
  "morphed": false
},
"comesThroughToilet": "any"

Requires:

{"or": [
  "f_MaridiaTubeBroken",
  {"and": [
    {"notable": "Tube Clip"},
    "canTunnelCrawl"
  ]}
]}

Exit condition:

"leaveWithGMode": {
  "morphed": false
}