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Give your reef return a changing flow pattern with the VCA FLEX Series 1/2-inch Random Flow Generator. Its internal channels redirect the water stream without moving parts or an additional electrical connection.

Key Features

• Flexible, aquarium-safe nozzle design.
• Snaps onto genuine 1/2-inch Loc-Line.
• Creates variable water movement using your existing return flow.
• No moving parts to drive or power.

Compatibility & Flow

For a single 1/2-inch RFG, the published flow guidance is 120–150 GPH minimum and 300–450 GPH optimal. Use actual flow reaching the nozzle after plumbing losses. Verify the fitting size before ordering; additional adapters may be required for proprietary outlets.

What’s Included

One 1/2-inch FLEX Series RFG nozzle. Loc-Line, adapters, return pump, and plumbing are sold separately.

Installation

Turn off the return pump, connect to the matching fitting, then restart and adjust direction. Check connections and inspect the aquarium’s flow pattern.

Why Buy From Infinity & Beyond Aquatics?

Shop with an aquarium-focused small business. We can help you choose compatible equipment and answer questions before and after your purchase.

Complete Your Flow Setup

Explore return pumps and flow equipment. Match pump output, nozzle size, and adapters to your aquarium before ordering.