Description Creates a random flow pattern in your Reef Tank with no moving parts! Includes 1in NPT part – compatible with standard 1in threaded bulkheads Designed with a 1in. modular hose fitting Printed in Reef-safe PETG plastic. A Random Flow Generator™ With No Moving Parts. The internal structure of the RFG Nozzle is comprised of a 5-vane helix that spirals nearly the entire length of the nozzle.Each vane of the helix is connected to an eductor at the base. Together, they form a set of internal channels.The channels work to randomly direct the water in different directions as it exits the nozzle 1in Modular Hose Compatible The RFGS100LL is designed to snap on to 1in modular hose. Specifications Flow recommendationsThe RFG Nozzle will handle far more flow than the "Optimal" GPH recommendations, so we encourage you to experiment and test the limits of the RFG Nozzles. Model Minimum GPH Optimal GPH 1in RFG 320-400 720-1,000
