QF-025A-I 3/8'' TUBE – 3/8'' TUBE BALL VALVE WATERRO QF-025A-I is a Quick Fit line ball valve for reverse osmosis and water treatment systems. It connects two 3/8-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 watertight 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-025A-I Connection A | 3/8" Quick Fit tube Connection B | 3/8" Quick Fit tube Valve type | Manual ball valve Operation | Quarter-turn shut-off Application | Reverse osmosis & water treatment systems Key advantages - Inline ball valve 3/8" × 3/8" - Quick Fit connections - Quarter-turn ON/OFF operation - Fast Push-Fit installation - Watertight connection - Reusable - No special tools required - Suitable for RO and water treatment systems - Convenient for system maintenance and shutting off the water supply