EasyPro PBF1800 Pressurized Bead Filter for Ponds & Fish Systems / 1800 Gallon Max

Simple Installation! Pre-assembled strong, heavy duty, polyethylene filter body for easy “out-of-the-box” installations with a 3-year warranty. Treats ponds up to 1800 gallons – Less with a fish load.
Easy Cleaning! Back flush waste line has a clear section to easily monitor the cleaning cycle.