This is Atlantic Water Garden's RL70S Rock Lid - Southern. We have a large selection of Filtration/Skimmer Replacement Parts and other water features from Atlantic Water Gardens. Check out Atlantic's rock lids and say goodbye to the traditional "fake rock". The sturdy fiberglass construction paired with realistic textures and incredible finishes that fit into any region set these Rock Lids apart from anything available today. Choose from four different sizes to find the best one that fits your needs. No one will ever know it's not real! Dimensions: 40"L x 36"W x 10"H. Match to Skimmer: PS7000 / PS9500