The 320dc In-Sump Protein Skimmer is a high-performance essential for maintaining pristine water quality in saltwater reef aquariums. Engineered to effectively remove organic waste compounds, this in-sump skimmer utilizes a powerful, controllable DC pump with a specialized needlewheel impeller to create a dense, protein-rich foam. Its innovative hybrid cone body design maximizes contact time between air bubbles and water, ensuring efficient extraction of undesirable pollutants from your aquatic environment. Key features include a bayonet locking collection cup with a built-in drain to prevent overflows and simplify maintenance, along with an adjustable air intake for fine-tuning performance. The skimmer comes with a digital controller that allows for easy management of pump speed and includes a convenient feed mode, displaying current speed and power consumption. Constructed from high-quality cast acrylic with thumbscrew assembly, the unit boasts dimensions of 9.1"L x 8.3"W x 21.3"H, a 6.25" body diameter, and is capable of handling up to a 320-gallon light bioload, with an air draw of 600-1200 LPH and power consumption between 14-25 watts. This protein skimmer is an excellent choice for reef aquarists seeking a balance of power, precision, and value. Its robust capacity and adjustable settings make it suitable for a wide range of saltwater systems, from lightly stocked fish-only tanks to heavily loaded reef environments. With its focus on ease of assembly, disassembly, and cleaning, combined with reliable waste removal, the 320dc In-Sump Protein Skimmer helps ensure a healthy and thriving aquatic ecosystem for both novice and experienced hobbyists alike.