The 40 inch Elite Waterfall has a Removable Landscape Lid Stronger Mesh Media Bags last longer Two Matala Filtration Mats Octagonal Design Improves Strength Two Spinweld Openings Reversible Weir Stainless Steel Hardware resists corrosion . Waterfall Width: 40 inch Spillway. Dimensions: 35.75 inch x 50 inch x 30.75 inch . Max. Rec. Pump Flow: 20 000 gph. Max. Pond Volume: 10 000 gal. Inlet Size: Two - 3" Spinwelds. Includes: (2) Matala Mats (2) 24 inch x 36 inch Media Bag Landscape Lid Installation Hardware.- SKU: PNDB022