Please note: Slight color differences due to lighting and screen display variations may occur and are not considered defects. This does not affect product 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 proper water flow is detected. Improper installation of a flow switch may result in hazardous chlorine gas accumulation within the pool plumbing system. Made from high-quality materials, the GLX-FLO flow switch is durable, resistant to wear, and designed for long-term performance. The sensor is robust and reliably monitors water flow rates in your pool system, preventing unsafe chlorine buildup and helping protect pool equipment from damage. This flow switch is compatible with all salt chlorine generator systems for Hayward Goldline. Suitable 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: Only the items listed above are included. Other accessories or products are not included. Measurement may vary by up to +/- 1-3 cm due to manual measurement.