Please note: Slight color difference due to lighting and monitor settings may occur, but this does not affect functionality. Thank you for your understanding.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 only produced when water is flowing. Improper installation of a flow switch may result in dangerous accumulation of chlorine gas 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 service life. The sensor is durable and reliably monitors water flow rate to prevent chlorine buildup, protecting your pool and equipment from damage.Wide Compatibility: This flow switch is compatible with all salt chlorine generator systems for Hayward Goldline. It serves as a replacement for 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), and 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: Light reflection and different displays may cause slight variations in color appearance. Measurement error allowance is +/- 1-3 cm. Only the items listed are included.