BGV1004 Features: * Pond filter * Combined UV and biological filtration for crystal clear purified water * Easy to maintain, easy installation above or below ground * Makes pond life even simpler now with the versatile range that offers the option of above or below ground installation * Available with powerclenz-the patented automatic cleaning system Dimensions: * 500 UV weight: 7 lbs * 500 UV Dimensions: 10"" H x 11"" W x 13"" D * 1000 UV weight: 7 lbs * 1000 UV Dimensions: 11"" H x 10"" W x 13"" D * 2000 UV and 3000 UV Weight: 10 lbs * 2000 UV and 3000 UV Dimensions: 13"" H x 12"" W x 18"" D