Purchase the Swim Central 6.25" White HydroTools Swimming Pool & Spa Standard Left Outlet 3-Way Ball Valve at Michaels.com. The 3-way ball valve is a must-have for any pool or spa owner. This valve is designed to regulate water flow with precision allowing you to easily control the direction of water flow in your pool or spa. The left outlet design ensures a smooth and efficient flow of water while the 3-way ball valve allows for easy and convenient switching between different pool or spa systems.