Cad Lights PLS-100 3rd Generation Pipeless Protein Skimmer for Aquariums, 120-Gallon Small in size; but big on performance using CAD lights powerful TIA-1150 skimmer pump rated for up to 70G-100G A patent pending Pipeless design; professional air injection; bubble plate; pin-wheel impeller and a locking system to hold the skimmer level settings Extremely compact and space-saving with a small foot print of just 475" x 475" to fit in the smallest sumps or sump chambers Winner of Reef Builder editor's choice Dimension: 475"L x 475"W x 1875"H