Please note: Slight color differences due to lighting and monitor settings may occur. This does not affect product functionality. 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 generation only occurs when proper water flow is detected. Failure to install a flow switch correctly may result in hazardous chlorine gas accumulation in the pool plumbing system.Premium Material & Excellent Performance: The GLX-FLO flow switch is constructed from high-quality materials, designed for durability and long service life. The sensor is sturdy and reliable, effectively monitoring water flow rate to prevent chlorine buildup and protect your pool system and equipment from damage.Wide Compatibility: This pool flow switch is compatible with all salt chlorine generator systems for Hayward Goldline. It serves as a replacement flow switch 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, and OPT-F/S.Color: As shown Material: Plastic Package Contents: 1 x Flow Switch Assembly for Hayward with cable Note: Only the items listed are included. Other accessories are not included. Note: Slight variations in color may occur due to lighting and screen display differences. Measurement error allowed is +/- 1-3 cm.