[Perfect Compatibility] This combination -PCB- main circuit board is specially designed for / Aqua salt water chlorinator. Also works on for Naturesoft and for Mineral Springs systems, ensuring your equipment is restored to top condition. [Wide Range of Vehicle Models] -PCB- main circuit board supports for Aquarite low-salt systems including AQR3CUL, AQR3XLCUL, AQR9CUL, AQR9XLCUL, AQR15CUL, AQR15XLCUL, AQR925-CUL, AQR940-CUL, etc. [Extended scope of use] This main circuit board and display board kit has good compatibility and can work seamlessly with T-CELL-3, T-CELL-5, T-CELL-9 and T-CELL-15 salt chlorine conversion, suitable for swimming pools of all sizes. [Water Quality] Improvement After installing this circuit board set, the water quality of the swimming pool can be significantly improved, providing you and your family with a healthier and more comfortable swimming experience, and a clean and safe water environment. Colour:As Shown Material:Metal Package Contents: 1 * for Main Circuit Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.