•Rugged high-density polyethylene shell warranted for life •Open swirl chamber for enhanced water flow through filter media •Upflow design, Bio-Tech filter pads, and media bags (media not included) provide exceptional biological filtration •Extra-wide spillways for a dramatic waterfall and superior aeration •Designed to be easily camouflaged with natural materials and plants •Each unit includes FIPT bulkhead fitting, media bag, filter pad, removable bottom grate and liner attachment flange

* Waterfall Width: 14" spillway * Dimensions: 16"W x 20"D x 14"H * Pump Flow Range: 1,500-2,500 * Bulkhead: 1-1/2" * Match to Skimmer: PS4000