The XFLO 6-3.5 protein fractionator skimmer is a high-performance device designed to maintain water quality in saltwater aquariums by effectively removing dissolved organic compounds and other waste products. This skimmer utilizes a venturi-driven system that ensures optimal performance, reliability, and durability, making it an excellent choice for larger reef systems ranging from 400 to 700 gallons. With its uniform 6-inch diameter reaction chamber, the XFLO 6-3.5 provides consistent flow rates and contact times, which are crucial for maximizing skimmer efficiency.