*New Arch!!! This is our really cool Sand bed reef aquarium frag rack/16 Hole Frag Plug Arch by Ocean Aquaria!! Made in the United States, we use a special polymer resin filled with calcium carbonate making it very durable and weighted enough to be very stable in the sand!! This frag rock tree offers 3 color options to enhance the look of your aquarium. It also provides a natural and stable environment for live coral and other aquatic organisms, promoting healthy growth and filtration in your tank. Perfect for fish and aquarium enthusiasts looking to create a vibrant and thriving underwater ecosystem. Pictured is the coralline purple option!! Measures 14.5” x 4.5" x 6”