Extra wide spillway enhances the waterfall and water aeration capacity. The open swirl chamber means water flows efficiently through the filter mat and media while performing three separate filtering actions. Dimensions: L 20" x W 14" x D 15" Waterfall Width 14" Container Capacity 6 gal Max. Pump Flow 2400 gph Weight 5.0 lbs. Material: high molecular weight polyethylene Includes 1-1/2" bulkhead, grate, media bag, filter mat Recommended Springflo Biomedia- one box per media bag Warranted For Life Shipped via UPS The Best Value Waterfall Bio-Filters in the Industry!! Professional Quality............ Economically Priced........Lifetime Warranty......Why Pay More??? Discover the..... ATLANTIC ADVANTAGE ??? Extra wide spillway enhances the waterfall and aerates the water. Open swirl chamber means water flows evenly and efficiently through filter pad and media. Three separate filtering actions for super clean water. Designed to be camouflaged with natural materials and plants. Extra large container holds more bacteria for a cleaner pond. Container is ruggedly built from high molecular weight polyethylene and warranted for life! Includes...Media Bags, Removable Grate, & Filter Pad Install Kit includes FIPT Bulkhead Fitting, Teflon Tape, Self-Tapping Stainless Screws, Silicone, Liner Attachment Flange & Instructions Material: High Molecular Weight Polyethylene