QF-025B-I 1/2'' TUBE – 1/2'' TUBE BALL VALVE WATERRO QF-025B-I is a Quick Fit line ball valve for reverse osmosis and water treatment systems. It connects two 1/2-inch tubes and allows the water flow to be manually opened or closed with a quarter-turn valve. Quick Fit connections ensure fast, tool-free installation and a secure, leak-tight connection. The valve is ideal for disconnecting filters, pressure tanks and other system components during maintenance. Technical specification Parameter | Value Product | Quick Fit line ball valve Model | QF-025B-I Connection A | 1/2" Quick Fit tube Connection B | 1/2" Quick Fit tube Valve type | Manual ball valve Operation | Quarter-turn shut-off Application | Reverse osmosis & water treatment systems Key benefits 1/2" × 1/2" line ball valve Quick Fit connections Quarter-turn ON/OFF operation Fast Push-Fit installation Leak-tight connection Reusable No special tools required Suitable for RO and water treatment systems Convenient for system maintenance and shutting off the water supply