I don't know the size of the snake in there but make sure there is no way for the snake to enter the holes of the tile grid.I've seen snakes get stuck in objects here before and it is usually always a delicate situation to get them out with injury.
If there is a danger the snake can crawl in the grip a mod you could do is cut the down legs and add a T. This would let you put another horizontal piece of pipe on each side giving a replacement to the grid.
You may be interested in scorching the PVC too for a more cosmetic appeal.








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