3DReeF presents the Dual 1/4 inch Flow Eductor Generator, designed for Fluval Flex 9 & 15, EVO 13.5, and Spec 16 aquariums. Also compatible with many other aquarium Brands. This system creates a dynamic, randomized flow pattern, improving water circulation and helping corals thrive by mimicking natural reef movement. The included Y‑adapter converts a 1/2 inch inlet into two 1/4 inch outlets, allowing precise flow direction using the Loc‑Line sections. All components are 3D‑printed in reef‑safe PETG, fully safe for corals, invertebrates, and all marine life. This model is available exclusively in Black, offering a clean, discreet look inside the aquarium. Kit Includes 1× 1/2 inch to Dual 1/4 inch Y Fitting 4× 1/4 inch Loc‑Line Sections 2× 1/4 inch Random Flow Generator Nozzles