Please note: slight color differences due to lighting and monitor settings may occur, but do not affect functionality. 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 generation only occurs when adequate water flow is present. Proper installation is critical to prevent hazardous chlorine gas buildup in the pool plumbing system. Premium Material & Excellent Performance: The GLX-FLO flow switch is constructed from high-quality materials, resistant to breakage and wear, ensuring long-term durability. The sensor reliably monitors water flow rates to prevent chlorine accumulation, protecting your pool and equipment from damage. Wide Compatibility: 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. Note: Slight variations in color may occur due to lighting and display differences. Measurement error allowed is +/- 1-3 cm.