Laguna PowerFlo External Biological Pond Filter, 1000-Gallon, 20-Inch

This powerflo external biological filter features an efficient 3-tiered filtering system that provides complete mechanical and biological filtration. The top tray houses pumice filter material (included) which provides mechanical and biological filtration. Below the top tray, a foam pad (also included) performs mechanical filtration. The bottom tray is designed to hold the biological media of your choice, such as Laguna biomax (not included). The trays have convenient handles which allow you to remove them easily. Other features include a built-in drain plug and 2 outlets for creating waterfalls or connecting to other pond equipment such as a UV sterilizer. The filter is designed to be installed outside the pond, which allows easy access for maintenance. A universal click-fit coupling for 3/4-inch, 1-inch and 1-1/4-inch inlet tubing is also included. This filter is ideal for ponds up to 4500 L (1000 US gallons.). Filter measures 20-inch length by 13-inch-high, 15-inch width. This product weighs 16-pound.