Please note: Slight color differences due to lighting and display settings may occur. 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 gas is only produced when water is flowing, preventing dangerous gas buildup in the pool plumbing system. Proper installation is required to avoid risk of chlorine gas accumulation. Made from high-quality materials, the GLX-FLO flow switch is durable, resistant to wear, and designed for long service life. The sensor is sturdy and reliably monitors water flow rate to prevent chlorine buildup, helping protect your pool and equipment from damage. This flow switch is compatible with all salt chlorine generator systems for Hayward Goldline. Replacement 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 Note: Other items not included. Note: Actual product color may vary slightly due to lighting and screen settings. Measurement may vary by +/- 1-3 cm.