Useful Acrylic Must-Have for reef & saltwater hobbyists. A multitude of potential uses include:

• Acclimation box for new fish, protects new fish from aggressive tank mates
• Safe haven for stressed or ill fish
• Temporary holding area for aggressive crab or fish
• Design an in-sump or in-tank refugium for chaetomorpha by simply adding a light a growth area for copepods
• Train your clownfish to go into a sea anemone by placing inside box
• Fish trap with easy-drop door
• Fish breeding
• Allows for water and oxygen to enter but fish remain confined until ready to release

Dimensions: 4″x6.75″x7.12″

Door Opening: 2.5″x4.12″

Mounting Thickness: 0.625 (5/8th)