CaribSea LifeRock Large Arch 18" The three fittings have a

The three fittings have a female slip fitting where a PVC pipe will slide into it

Magnesium - 75 tests

Energy saving for its cool operation and minimal operating cost

HIGHLIGHTED FEATURES:

CaribSea LifeRock Large Arch 18" The three fittings have aLifeRock Large Arches add open dimension to large marine and reef aquariums with plenty of swim space and area for coral placement. Each Large Arch is 18 inches long and weighs approximately 20 pounds. One arch per box *please do note dimensions and weights varies as these are hand made products. Life Rock is real aragonitic base rock, not cement, no curing. Extensive macro and micro porosity infused with spored bacteria for outstanding biological