Biological media offers tremendous surface area for beneficial bacteria growth - never needs replacing. Reusable foam filter pad provides effective mechanical filtration. Heavy duty weather-resistant abs plastic housing can be buried for inconspicuous installation. Maximum efficiency and minimum power consumption when used with pondmaster hy-drive or magnetic drive pumps. Can also be used as a trickle filter for small waterfalls. For ponds up to 100 gallons with max pump size of 190 gph.Size is 100 Gallon. Dimensions are 8 X 6.5 X 8 UPC Code = 025033054059
