Please note: slight color differences due to lighting and display settings may occur, but do not affect product use. GLX-FLO Flow Switch includes 1x GLX-FLO Pool Flow Sensor Assembly Kit. The kit includes a flow switch and cable. The GLX-FLO Flow Switch monitors water flow through the brine system to ensure chlorine gas is produced only when water is flowing through the pool system. Improper installation of a flow switch may result in dangerous chlorine gas buildup in the pool plumbing system. Premium Material & Excellent Performance: The GLX-FLO flow switch is made of high-quality materials, resistant to breakage and wear, ensuring long service life. The flow sensor is sturdy and durable, effectively monitoring water flow rate to prevent chlorine buildup and protect pool equipment from damage. Wide Compatibility: The GLX-FLO Pool Flow Switch is compatible with all salt chlorine generator systems for Hayward Goldline. Replacement flow switch for use with the following chlorinators: Aqua Rite Electronic Chlorine Generators (all models), Naturesoft Water Purification System (all models), Mineral Springs (all models), Aqua Trol Above Ground Pool Automation (all -HP models), SplashCLEAR (all models except -RJ versions). Designed to fit Hayward models GLX-FLO-RP, GLX-FLO-RP2, GLX-FLO-RP3, GLX-FLO-RP4, GLX-FLO-HP, Q-12DS-C2, OPT-F/S. Color: As shown Material: Plastic Package Contents: 1 x Flow Switch Assembly for Hayward with cable Note: Only the items listed above are included. Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.