NEW! (2) Pondmaster Pro 2000 Garden Pond Waterfall Box Systems w/ 11" Spillway Wide Spillway for Greater Water Aeration Easily Buried to Hide Filter from Sight Includes Stepped Barb to Accommodate ", 1", 1 " and 1 " Tubing Designed to Accommodate Addition of Mechanical or Biological Filtering for Super Clean Water Sturdy molded plastic construction