For sale is a acrylic box that has a hinged lid and all sides, top, and bottom that are vented. These are mounted with very strong suction cups that have adjustable tension.

For all you mushroom heads out there, this is a perfect box to keep those expensive mushrooms that have fallen off their rock or just a place to keep safe from high flow, or for any soft or delicate coral. Also use for anemone or fish.

The size is 4.5x4.5x4.5, brand new, still in box.