Airmax® TrueRock™ Boulder Cover Rocks Color:Sandstone this state-of-the-art progressive filter boasts

this state-of-the-art progressive filter boasts high free volume and easy transport / installation

These medium-pressure

Measures 6" x 6" x 6"

This eliminates excessive vibration and motor wear

Airmax® TrueRock™ Boulder Cover Rocks Color:Sandstone this state-of-the-art progressive filter boastsMost 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