Please note: There may be a slight color difference due to lighting and display settings, which does not affect the use. Thank you. 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 the flow of water through the brine system to ensure chlorine gas is produced only when water is flowing through the pool. Failure to properly install a flow switch can 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 material, resistant to breakage and wear, ensuring long service life. The flow sensor is sturdy and durable, effectively monitoring the water flow rate of your pool system to prevent chlorine buildup and protect the pool and 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 on 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 Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the item color in the picture to vary slightly from the actual product. Measurement error allowed is +/- 1-3 cm.