Airmax® TrueRock™ Boulder Cover Rocks Color:Sandstone The top plate by itself

The top plate by itself does not form a watertight seal

Poly-Flo™ filter material provides consistent performance every time

Heavy-duty motor and corrosion resistant design suitable for saltwater

returning to the pond

Airmax® TrueRock™ Boulder Cover Rocks Color:Sandstone The top plate by itselfMost realistic faux rock on the market Protects valuable hardware Disguises unsightly blemishes Mini and Small sizes are vented with a small cluster of vent holes making them more suitable for covering air pumps. We also recommend leaving air space around the bottom if applicable. The most realistic faux rocks on the market, the TrueRock makes a great addition to any pond landscape. With its weather proof textured finish and rock hard construction the