Our 3D Backgrounds are made from poly-resin, which is safe for all aquatic life. Our backgrounds sink, it's not a foam, so you don't have to use silicone to fix them inside your tank. The background is not flexible, you can't bend it, but you may trim it by using angled grinder, hacksaw, dremmel.
Exact background size is: 46.4 x 19.4 inches - 2 sections
(plus foam on the side edges to fill the gap between background and glass)
WILL FIT TANK SIZE: Width: 48" Height: 21"
Beige/Brown ROCK for 55/75 gallon aquariums
There is a foam fixed on the sides of background, which will fill the gap between glass and the background. The foam is around 2cm width, so fish will not swim behind the background.
The rear is shaped like the front, it ranges from 2-3 inches at its widest point this being 3d and not a flat background.
Installation is very easy, you only have to slide it inside your aquarium.
The rear can be used to hide heaters, filter pipes, air tube. You can also easily drill holes for your filter pipes inlet or outlets. Filter pipes can be hidden behind the background or underneath.
PLEASE NOTE: main picture is only a sample image of this product. Item which You will receive may not be identical to the picture. Color may vary, can be slightly lighter or darker. It's hand painted background and every item is unique.