Zodiac Mx Flow Regulator for Baracuda Suction Pool Vacuums Automatically controls excess flow through cleaner for optimal performance and longevity. Energy efficient Quick and easy installation Compatible with Zodiac MX series pool cleaners Automatically adjusts the flow for Zodiac Baracuda MX Cleaners. Sets the perfect pressure for your Baracuda cleaners to ensure that it doesn't over work the gears and reduces wear and tear. To be used in inground pools only